266
FNUS54 KMRX 201928
FWFMRX
FIRE WEATHER PLANNING FORECAST FOR EAST TENNESSEE...SOUTHWEST
VIRGINIA...AND EXTREME SOUTHWEST NORTH CAROLINA
NATIONAL WEATHER SERVICE MORRISTOWN TN
328 PM EDT THU AUG 20 2026
DISCUSSION
STORMS AND SHOWERS RETURN THIS AFTERNOON. ADDITIONAL SHOWERS AND
THUNDERSTORMS POSSIBLE THROUGH FRIDAY NIGHT. NORTHWEST FLOW ALOFT
USHER IN DRIER CONDITIONS FOR THE WEEKEND. TEMPERATURES WILL BE
CLOSE TO NORMAL THROUGH THE WEEKEND. RAIN CHANCES RETURN TOWARD
THE MIDDLE OF NEXT WEEK.
VAZ001-212030-
LEE-
INCLUDING THE CITY OF ROSE HILL
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 63-68 (-1) 81-86 (-1) 61-66 81-86
RH % (24H TREND) 95-100 (+4) 64-69 (-2) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SE 3 W 6 NW 3 NW 10
MIXING HGT(FT-AGL) 380 3670 390 5110
VENT RATE (MPH-FT) 1140 22020 1170 51100
MAX DISPERSION EARLY 2 VERY POOR 15 GEN POOR 2 VERY POOR 33 FAIR
MAX DISPERSION LATE 2 VERY POOR 20 GEN POOR 2 VERY POOR 44 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 9 10 9 10
MAX LVORI LATE 10 4 10 2
PRECIP CHANCE (%) 50 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.06 0.02 0.00 0.00
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 49 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 45 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 51 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 58 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
VAZ002-212030-
WISE-
INCLUDING THE CITIES OF BIG STONE GAP, NORTON, WISE, COEBURN,
APPALACHIA, AND PARDEE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 62-67 (-1) 78-83 (-1) 60-65 78-83
RH % (24H TREND) 95-100 (+5) 68-73 (+1) 95-100 53-58
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR W 5
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR W 5
TRANSPORT WND (MPH) S 6 W 7 N 5 NW 10
MIXING HGT(FT-AGL) 410 3150 420 5000
VENT RATE (MPH-FT) 2460 22050 2100 50000
MAX DISPERSION EARLY 3 VERY POOR 19 GEN POOR 2 VERY POOR 34 FAIR
MAX DISPERSION LATE 2 VERY POOR 21 FAIR 2 VERY POOR 46 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 8 9 9 9
MAX LVORI LATE 9 4 10 3
PRECIP CHANCE (%) 30 60 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 2
PRECIP AMOUNT 0.02 0.11 0.00 0.00
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 30 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 50 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
46 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 47 PERCENT. WEST WINDS
LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 54 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 62 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
VAZ005-212030-
SCOTT VA-
INCLUDING THE CITY OF HILTONS
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 64-69 (0) 81-86 (-1) 62-67 81-86
RH % (24H TREND) 95-100 (+8) 66-71 (0) 95-100 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 SW 5
PM 20FT WND (MPH) LGT/VAR W 5 LGT/VAR W 6
TRANSPORT WND (MPH) SE 3 W 8 N 2 NW 9
MIXING HGT(FT-AGL) 330 3960 360 5350
VENT RATE (MPH-FT) 990 31680 720 48150
MAX DISPERSION EARLY 2 VERY POOR 20 GEN POOR 2 VERY POOR 30 FAIR
MAX DISPERSION LATE 2 VERY POOR 27 FAIR 1 VERY POOR 44 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 10 4 10 3
PRECIP CHANCE (%) 50 50 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.05 0.03 0.00 0.00
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 40 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 50 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 46 PERCENT.
WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 46 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. EAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 61 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
VAZ006-212030-
RUSSELL-
INCLUDING THE CITIES OF HANSONVILLE, LEBANON, DYE, CASTLEWOOD,
HONAKER, AND ROSEDALE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 63-68 (0) 79-84 (-1) 61-66 79-84
RH % (24H TREND) 95-100 (+11) 68-73 (+2) 95-100 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 SW 5
PM 20FT WND (MPH) LGT/VAR W 5 LGT/VAR W 6
TRANSPORT WND (MPH) SE 5 SW 9 SW 3 NW 9
MIXING HGT(FT-AGL) 400 3720 370 4960
VENT RATE (MPH-FT) 2000 33480 1110 44640
MAX DISPERSION EARLY 2 VERY POOR 24 FAIR 2 VERY POOR 36 FAIR
MAX DISPERSION LATE 2 VERY POOR 30 FAIR 2 VERY POOR 41 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 9 5 10 3
PRECIP CHANCE (%) 40 60 20 20
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 1 1 1
PRECIP AMOUNT 0.02 0.18 0.03 0.01
PRECIP BEGIN 8 PM 8 AM CONTINUING 2 PM
PRECIP END 7 AM CONTINUING 10 PM CONTINUING
CHANCE OF THUNDER (%) 30 50 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 53 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
47 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 46 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. EAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 62 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
VAZ008-212030-
WASHINGTON VA-
INCLUDING THE CITIES OF BENHAMS, BRISTOL VA, AND ABINGDON
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 63-68 (-1) 80-85 (-2) 61-66 79-84
RH % (24H TREND) 95-100 (+15) 66-71 (+5) 95-100 53-58
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 SW 5
PM 20FT WND (MPH) LGT/VAR W 6 LGT/VAR W 6
TRANSPORT WND (MPH) S 3 SW 9 S 3 NW 10
MIXING HGT(FT-AGL) 330 3780 330 4760
VENT RATE (MPH-FT) 990 34020 990 47600
MAX DISPERSION EARLY 2 VERY POOR 24 FAIR 2 VERY POOR 32 FAIR
MAX DISPERSION LATE 2 VERY POOR 32 FAIR 1 VERY POOR 42 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 8 8 9
MAX LVORI LATE 9 5 10 3
PRECIP CHANCE (%) 50 60 30 20
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 1 1 1
PRECIP AMOUNT 0.06 0.19 0.06 0.01
PRECIP BEGIN 8 PM 12 PM CONTINUING 2 PM
PRECIP END 8 AM CONTINUING 1 AM CONTINUING
CHANCE OF THUNDER (%) 40 50 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 52 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
46 PERCENT. WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 44 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 51 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 59 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ018-212030-
JOHNSON-
INCLUDING THE CITIES OF DOEVILLE, MOUNTAIN CITY, NEVA,
SHADY VALLEY, TRADE, AND LAUREL BLOOMERY
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 62-67 (-1) 78-83 (-2) 60-65 76-81
RH % (24H TREND) 95-100 (+18) 63-68 (+8) 95-100 52-57
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 W 5
PM 20FT WND (MPH) LGT/VAR W 6 LGT/VAR W 6
TRANSPORT WND (MPH) S 5 SW 9 S 6 NW 10
MIXING HGT(FT-AGL) 370 3550 320 4300
VENT RATE (MPH-FT) 1850 31950 1920 43000
MAX DISPERSION EARLY 3 VERY POOR 27 FAIR 4 VERY POOR 30 FAIR
MAX DISPERSION LATE 2 VERY POOR 25 FAIR 2 VERY POOR 40 FAIR
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 9 5 9 3
PRECIP CHANCE (%) 50 70 40 20
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 2 1 1
PRECIP AMOUNT 0.05 0.21 0.12 0.01
PRECIP BEGIN 8 PM 11 AM CONTINUING 8 AM
PRECIP END 8 AM CONTINUING 1 AM CONTINUING
CHANCE OF THUNDER (%) 30 50 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 51 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. MINIMUM RH
44 PERCENT. WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 44 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHEAST WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 50 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 58 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ047-212030-
SOUTHEAST CARTER-
INCLUDING THE CITY OF HAMPTON
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 62-67 (-1) 78-83 (-3) 60-65 76-81
RH % (24H TREND) 95-100 (+21) 65-70 (+10) 95-100 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR W 5
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR W 5
TRANSPORT WND (MPH) S 6 SW 9 SW 6 NW 12
MIXING HGT(FT-AGL) 390 3210 380 4350
VENT RATE (MPH-FT) 2340 28890 2280 52200
MAX DISPERSION EARLY 3 VERY POOR 25 FAIR 3 VERY POOR 29 FAIR
MAX DISPERSION LATE 2 VERY POOR 22 FAIR 3 VERY POOR 42 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 6 8 7 9
MAX LVORI LATE 9 5 9 3
PRECIP CHANCE (%) 60 70 40 20
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 2 1 1
PRECIP AMOUNT 0.09 0.40 0.07 0.04
PRECIP BEGIN 8 PM 11 AM CONTINUING CONTINUING
PRECIP END 8 AM CONTINUING CONTINUING 2 PM
CHANCE OF THUNDER (%) 30 50 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 54 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. MINIMUM RH
47 PERCENT. WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 47 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHEAST WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 52 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ045-212030-
UNICOI-
INCLUDING THE CITIES OF ERWIN, UNICOI, AND LIMESTONE COVE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 63-68 (-1) 79-84 (-3) 61-66 77-82
RH % (24H TREND) 95-100 (+20) 68-73 (+12) 95-100 55-60
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 5 SW 8 S 5 NW 12
MIXING HGT(FT-AGL) 370 3140 350 4700
VENT RATE (MPH-FT) 1850 25120 1750 56400
MAX DISPERSION EARLY 2 VERY POOR 22 FAIR 2 VERY POOR 29 FAIR
MAX DISPERSION LATE 2 VERY POOR 18 GEN POOR 2 VERY POOR 47 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 7 8 8 9
MAX LVORI LATE 9 6 9 3
PRECIP CHANCE (%) 60 70 30 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.12 0.30 0.11 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 8 AM CONTINUING 3 AM
CHANCE OF THUNDER (%) 40 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 54 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
47 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 47 PERCENT. WEST WINDS
LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 52 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ043-212030-
SOUTHEAST GREENE-
INCLUDING THE CITY OF CEDAR CREEK
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 63-68 (0) 79-84 (-3) 61-66 78-83
RH % (24H TREND) 95-100 (+18) 63-68 (+8) 95-100 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 W 5
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
TRANSPORT WND (MPH) S 3 W 8 W 5 NW 10
MIXING HGT(FT-AGL) 380 3220 350 4970
VENT RATE (MPH-FT) 1140 25760 1750 49700
MAX DISPERSION EARLY 2 VERY POOR 22 FAIR 2 VERY POOR 28 FAIR
MAX DISPERSION LATE 2 VERY POOR 19 GEN POOR 2 VERY POOR 46 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 7 8 7 8
MAX LVORI LATE 7 5 9 2
PRECIP CHANCE (%) 70 60 30 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.30 0.13 0.10 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 8 AM CONTINUING CONTINUING
CHANCE OF THUNDER (%) 40 50 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 51 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 45 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 50 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 57 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ041-212030-
COCKE SMOKY MOUNTAINS-
INCLUDING THE CITY OF HARTFORD
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (-1) 79-84 (-4) 63-68 78-83
RH % (24H TREND) 95-100 (+20) 62-67 (+7) 95-100 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) W 5 LGT/VAR
PM 20FT WND (MPH) SW 5 LGT/VAR LGT/VAR NW 5
TRANSPORT WND (MPH) S 5 W 8 W 5 NW 12
MIXING HGT(FT-AGL) 350 2980 310 4870
VENT RATE (MPH-FT) 1750 23840 1550 58440
MAX DISPERSION EARLY 2 VERY POOR 20 GEN POOR 2 VERY POOR 30 FAIR
MAX DISPERSION LATE 2 VERY POOR 20 GEN POOR 2 VERY POOR 48 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 6 7 6 6
MAX LVORI LATE 7 4 7 2
PRECIP CHANCE (%) 70 70 40 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.25 0.15 0.16 0.00
PRECIP BEGIN 8 PM 10 AM CONTINUING
PRECIP END 8 AM CONTINUING 7 AM
CHANCE OF THUNDER (%) 40 50 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 53 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 53 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 59 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ074-212030-
SEVIER SMOKY MOUNTAINS-
INCLUDING THE CITIES OF ELKMONT AND GATLINBURG
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 63-68 (-1) 77-82 (-3) 61-66 76-81
RH % (24H TREND) 95-100 (+21) 62-67 (+4) 95-100 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) W 5 LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
TRANSPORT WND (MPH) SW 7 W 9 NW 5 NW 10
MIXING HGT(FT-AGL) 370 3020 350 4610
VENT RATE (MPH-FT) 2590 27180 1750 46100
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 2 VERY POOR 26 FAIR
MAX DISPERSION LATE 3 VERY POOR 26 FAIR 3 VERY POOR 44 GEN GOOD
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 5 7 6 6
MAX LVORI LATE 6 4 7 2
PRECIP CHANCE (%) 80 60 30 0
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.25 0.16 0.12 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 7 AM CONTINUING 2 AM
CHANCE OF THUNDER (%) 40 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 54 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE MID
70S. MINIMUM RH 50 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 51 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 58 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 63 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ072-212030-
BLOUNT SMOKY MOUNTAINS-
INCLUDING THE CITY OF CADES COVE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 66-71 (-1) 82-87 (-3) 64-69 81-86
RH % (24H TREND) 95-100 (+20) 61-66 (+3) 95-100 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 6 W 10 E 3 NW 10
MIXING HGT(FT-AGL) 390 3690 370 5180
VENT RATE (MPH-FT) 2340 36900 1110 51800
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 2 VERY POOR 27 FAIR
MAX DISPERSION LATE 3 VERY POOR 32 FAIR 2 VERY POOR 48 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 6 8 6 8
MAX LVORI LATE 7 4 7 2
PRECIP CHANCE (%) 80 40 20 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.27 0.08 0.04 0.00
PRECIP BEGIN 8 PM 12 PM CONTINUING
PRECIP END 7 AM CONTINUING 1 AM
CHANCE OF THUNDER (%) 50 40 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 52 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. EAST WINDS LESS
THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. MINIMUM RH 47 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 49 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 55 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 61 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ087-212030-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF CITICO AND COKER CREEK
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 65-70 (-1) 83-88 (-3) 63-68 82-87
RH % (24H TREND) 95-100 (+19) 58-63 (+1) 95-100 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) W 5 W 9 NW 5 NW 10
MIXING HGT(FT-AGL) 400 3680 400 5110
VENT RATE (MPH-FT) 2000 33120 2000 51100
MAX DISPERSION EARLY 3 VERY POOR 20 GEN POOR 3 VERY POOR 30 FAIR
MAX DISPERSION LATE 3 VERY POOR 30 FAIR 3 VERY POOR 44 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 7 9
MAX LVORI LATE 8 3 10 2
PRECIP CHANCE (%) 80 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.44 0.03 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM CONTINUING
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 49 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHEAST WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS LESS
THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 55 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 59 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ102-212030-
EAST POLK-
INCLUDING THE CITIES OF BIG FROG MOUNTAIN, DUCKTOWN,
AND TURTLETOWN
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 66-71 (0) 85-90 (-4) 63-68 85-90
RH % (24H TREND) 95-100 (+16) 55-60 (+3) 95-100 44-49
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 5 W 8 N 6 NW 10
MIXING HGT(FT-AGL) 380 4050 350 5330
VENT RATE (MPH-FT) 1900 32400 2100 53300
MAX DISPERSION EARLY 4 VERY POOR 21 FAIR 3 VERY POOR 36 FAIR
MAX DISPERSION LATE 3 VERY POOR 30 FAIR 2 VERY POOR 49 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 10 8 9
MAX LVORI LATE 9 3 10 2
PRECIP CHANCE (%) 80 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.33 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 8 AM 5 PM
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHEAST WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 42 PERCENT. NORTH
WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. EAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 52 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 57 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
NCZ060-212030-
CHEROKEE-
INCLUDING THE CITIES OF ANDREWS, MARBLE, TOPTON, HIAWASSE DAM,
MURPHY, UNAKA, AND VIOLET
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 65-70 (0) 84-89 (-3) 63-68 83-88
RH % (24H TREND) 95-100 (+15) 57-62 (+3) 95-100 45-50
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
TRANSPORT WND (MPH) SE 5 W 8 N 5 NW 10
MIXING HGT(FT-AGL) 380 3920 320 4920
VENT RATE (MPH-FT) 1900 31360 1600 49200
MAX DISPERSION EARLY 2 VERY POOR 24 FAIR 2 VERY POOR 36 FAIR
MAX DISPERSION LATE 3 VERY POOR 28 FAIR 2 VERY POOR 45 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 9 4 9 2
PRECIP CHANCE (%) 80 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.49 0.05 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 44 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. EAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 54 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 59 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
NCZ061-212030-
CLAY-
INCLUDING THE CITIES OF SHOOTING CREEK, BRASSTOWN, HAYESVILLE,
AND TUSQUITEE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 64-69 (-1) 81-86 (-3) 61-66 80-85
RH % (24H TREND) 95-100 (+18) 65-70 (+7) 95-100 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) N 5 LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 5 SW 9 N 3 NW 10
MIXING HGT(FT-AGL) 410 3770 380 4990
VENT RATE (MPH-FT) 2050 33930 1140 49900
MAX DISPERSION EARLY 3 VERY POOR 27 FAIR 2 VERY POOR 35 FAIR
MAX DISPERSION LATE 2 VERY POOR 31 FAIR 2 VERY POOR 45 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 8 4 8 2
PRECIP CHANCE (%) 60 60 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.26 0.13 0.00 0.00
PRECIP BEGIN 8 PM 12 PM
PRECIP END 5 AM 8 PM
CHANCE OF THUNDER (%) 40 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 51 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 48 PERCENT. WEST WINDS
LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 51 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 64 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ015-212030-
HANCOCK-
INCLUDING THE CITIES OF EVANSTON, SNEEDVILLE, TREADWAY,
AND KYLES FORD
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 64-69 (-1) 83-88 (-1) 62-67 83-88
RH % (24H TREND) 95-100 (+8) 62-67 (-1) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 3 W 6 N 3 NW 12
MIXING HGT(FT-AGL) 350 3920 350 5690
VENT RATE (MPH-FT) 1050 23520 1050 68280
MAX DISPERSION EARLY 2 VERY POOR 16 GEN POOR 2 VERY POOR 33 FAIR
MAX DISPERSION LATE 2 VERY POOR 24 FAIR 1 VERY POOR 55 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 9 10 9 10
MAX LVORI LATE 10 4 10 2
PRECIP CHANCE (%) 60 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.11 0.01 0.00 0.00
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
42 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 41 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 55 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ016-212030-
HAWKINS-
INCLUDING THE CITY OF MOORESBURG
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (0) 83-88 (-1) 63-68 83-88
RH % (24H TREND) 95-100 (+8) 66-71 (+2) 95-100 51-56
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 SW 8 N 2 W 10
MIXING HGT(FT-AGL) 340 4100 330 6020
VENT RATE (MPH-FT) 1020 32800 660 60200
MAX DISPERSION EARLY 2 VERY POOR 19 GEN POOR 2 VERY POOR 28 FAIR
MAX DISPERSION LATE 2 VERY POOR 27 FAIR 1 VERY POOR 55 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 10 9 10
MAX LVORI LATE 10 4 10 2
PRECIP CHANCE (%) 70 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.17 0.04 0.00 0.00
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
45 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 44 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 51 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 58 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ017-212030-
SULLIVAN-
INCLUDING THE CITIES OF KINGSPORT, BRISTOL TN,
AND SOUTH HOLSTON DAM
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (0) 82-87 (-2) 63-68 81-86
RH % (24H TREND) 95-100 (+13) 65-70 (+6) 95-100 52-57
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SW 5 SW 6
PM 20FT WND (MPH) LGT/VAR W 5 LGT/VAR W 6
TRANSPORT WND (MPH) SW 3 SW 8 S 2 W 9
MIXING HGT(FT-AGL) 300 3870 320 4820
VENT RATE (MPH-FT) 900 30960 640 43380
MAX DISPERSION EARLY 2 VERY POOR 22 FAIR 2 VERY POOR 27 FAIR
MAX DISPERSION LATE 2 VERY POOR 29 FAIR 1 VERY POOR 39 FAIR
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 8 10
MAX LVORI LATE 10 4 10 3
PRECIP CHANCE (%) 50 60 30 0
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 1 1
PRECIP AMOUNT 0.07 0.05 0.12 0.00
PRECIP BEGIN 8 PM 12 PM CONTINUING
PRECIP END 8 AM CONTINUING 11 PM
CHANCE OF THUNDER (%) 40 50 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 49 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
44 PERCENT. WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 49 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 56 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ046-212030-
NORTHWEST CARTER-
INCLUDING THE CITY OF ELIZABETHTON
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 64-69 (-1) 81-86 (-3) 62-67 80-85
RH % (24H TREND) 95-100 (+18) 62-67 (+7) 95-100 51-56
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR W 5
PM 20FT WND (MPH) LGT/VAR W 5 LGT/VAR W 6
TRANSPORT WND (MPH) S 3 SW 9 S 3 NW 10
MIXING HGT(FT-AGL) 340 3510 350 4520
VENT RATE (MPH-FT) 1020 31590 1050 45200
MAX DISPERSION EARLY 2 VERY POOR 24 FAIR 2 VERY POOR 26 FAIR
MAX DISPERSION LATE 2 VERY POOR 26 FAIR 2 VERY POOR 40 FAIR
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 8 7 8
MAX LVORI LATE 9 5 9 3
PRECIP CHANCE (%) 60 60 30 20
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
PRECIP DURATION 1 1 1 1
PRECIP AMOUNT 0.07 0.13 0.02 0.02
PRECIP BEGIN 8 PM 11 AM CONTINUING CONTINUING
PRECIP END 8 AM CONTINUING CONTINUING CONTINUING
CHANCE OF THUNDER (%) 40 50 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 50 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 44 PERCENT.
WEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 42 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 56 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ044-212030-
WASHINGTON TN-
INCLUDING THE CITY OF JOHNSON CITY
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (0) 83-88 (-3) 63-68 82-87
RH % (24H TREND) 95-100 (+16) 63-68 (+8) 95-100 52-57
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR W 5
TRANSPORT WND (MPH) S 3 SW 8 S 2 W 10
MIXING HGT(FT-AGL) 330 3600 310 4640
VENT RATE (MPH-FT) 990 28800 620 46400
MAX DISPERSION EARLY 2 VERY POOR 24 FAIR 2 VERY POOR 27 FAIR
MAX DISPERSION LATE 1 VERY POOR 25 FAIR 1 VERY POOR 41 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 9 4 10 2
PRECIP CHANCE (%) 60 60 30 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.12 0.07 0.05 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 8 AM CONTINUING 2 AM
CHANCE OF THUNDER (%) 40 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
44 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 41 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 47 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 55 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ042-212030-
NORTHWEST GREENE-
INCLUDING THE CITY OF GREENEVILLE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (0) 84-89 (-2) 63-68 83-88
RH % (24H TREND) 95-100 (+13) 62-67 (+6) 95-100 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR W 5
TRANSPORT WND (MPH) SW 3 SW 8 SW 2 W 10
MIXING HGT(FT-AGL) 310 3490 290 5150
VENT RATE (MPH-FT) 930 27920 580 51500
MAX DISPERSION EARLY 2 VERY POOR 22 FAIR 2 VERY POOR 28 FAIR
MAX DISPERSION LATE 2 VERY POOR 24 FAIR 2 VERY POOR 46 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 9 3 10 2
PRECIP CHANCE (%) 80 50 30 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.22 0.03 0.07 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 8 AM CONTINUING 2 AM
CHANCE OF THUNDER (%) 50 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 47 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 42 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ038-212030-
GRAINGER-
INCLUDING THE CITY OF BEAN STATION
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 66-71 (-1) 85-90 (-1) 64-69 85-90
RH % (24H TREND) 95-100 (+9) 62-67 (+1) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 8 N 3 NW 12
MIXING HGT(FT-AGL) 340 4160 310 6130
VENT RATE (MPH-FT) 1020 33280 930 73560
MAX DISPERSION EARLY 3 VERY POOR 18 GEN POOR 2 VERY POOR 31 FAIR
MAX DISPERSION LATE 3 VERY POOR 30 FAIR 1 VERY POOR 61 GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.23 0.01 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS LESS
THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 42 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 42 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND
VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ039-212030-
HAMBLEN-
INCLUDING THE CITIES OF ALPHA, MORRISTOWN, AND RUSSELLVILLE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 66-71 (0) 84-89 (-3) 65-70 84-89
RH % (24H TREND) 95-100 (+8) 63-68 (+3) 95-100 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 3 W 8 N 2 W 10
MIXING HGT(FT-AGL) 320 3920 310 5840
VENT RATE (MPH-FT) 960 31360 620 58400
MAX DISPERSION EARLY 3 VERY POOR 22 FAIR 2 VERY POOR 30 FAIR
MAX DISPERSION LATE 3 VERY POOR 27 FAIR 1 VERY POOR 53 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 9 9 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.24 0.03 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 8 AM CONTINUING
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 50 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND
VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ040-212030-
NORTHWEST COCKE-
INCLUDING THE CITIES OF BYBEE AND NEWPORT
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 67-72 (0) 84-89 (-3) 65-70 83-88
RH % (24H TREND) 95-100 (+14) 61-66 (+6) 95-100 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SE 3 W 8 SW 3 W 10
MIXING HGT(FT-AGL) 330 3510 310 5430
VENT RATE (MPH-FT) 990 28080 930 54300
MAX DISPERSION EARLY 2 VERY POOR 22 FAIR 2 VERY POOR 28 FAIR
MAX DISPERSION LATE 2 VERY POOR 25 FAIR 1 VERY POOR 49 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 9 7 8
MAX LVORI LATE 9 3 9 2
PRECIP CHANCE (%) 80 50 30 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.24 0.05 0.11 0.00
PRECIP BEGIN 8 PM 11 AM CONTINUING
PRECIP END 8 AM CONTINUING 1 AM
CHANCE OF THUNDER (%) 50 50 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 49 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
44 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. EAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 44 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 49 PERCENT.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 55 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ070-212030-
JEFFERSON-
INCLUDING THE CITIES OF JEFFERSON CITY, STRAWBERRY PLAINS,
CHESTNUT HILL, DANDRIDGE, AND WHITE PINE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 67-72 (-1) 85-90 (-3) 66-71 85-90
RH % (24H TREND) 95-100 (+11) 61-66 (+4) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 3 W 8 NW 2 W 10
MIXING HGT(FT-AGL) 310 3920 290 5860
VENT RATE (MPH-FT) 930 31360 580 58600
MAX DISPERSION EARLY 3 VERY POOR 23 FAIR 2 VERY POOR 29 FAIR
MAX DISPERSION LATE 2 VERY POOR 31 FAIR 1 VERY POOR 51 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.25 0.01 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 7 AM CONTINUING
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT.
WEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
43 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 49 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ035-212030-
MORGAN-
INCLUDING THE CITIES OF PINE ORCHARD, HIGH POINT, AND PETROS
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 65-70 (-1) 83-88 (-2) 62-67 84-89
RH % (24H TREND) 95-100 (+4) 61-66 (-4) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 8 NW 6 NW 12
MIXING HGT(FT-AGL) 350 4080 370 5570
VENT RATE (MPH-FT) 1050 32640 2220 66840
MAX DISPERSION EARLY 2 VERY POOR 20 GEN POOR 3 VERY POOR 30 FAIR
MAX DISPERSION LATE 2 VERY POOR 31 FAIR 2 VERY POOR 55 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 9 9 9 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 60 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.12 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 3 AM 8 PM
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. MINIMUM RH 45 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 58 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ012-212030-
SCOTT TN-
INCLUDING THE CITIES OF BIG SOUTH FORK NATIONAL, ONEIDA,
SMOKEY JUNCTION, ELGIN, HUNTSVILLE, NORMA, AND SLICK ROCK
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 65-70 (-1) 83-88 (-1) 62-67 83-88
RH % (24H TREND) 95-100 (+5) 61-66 (-5) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 5 NW 7 N 5 NW 12
MIXING HGT(FT-AGL) 370 3910 350 5470
VENT RATE (MPH-FT) 1850 27370 1750 65640
MAX DISPERSION EARLY 2 VERY POOR 19 GEN POOR 3 VERY POOR 31 FAIR
MAX DISPERSION LATE 2 VERY POOR 26 FAIR 2 VERY POOR 55 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 8 10 8 9
MAX LVORI LATE 9 3 10 2
PRECIP CHANCE (%) 40 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.04 0.01 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 4 AM 8 PM
CHANCE OF THUNDER (%) 40 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. MINIMUM RH 44 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 52 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 57 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ013-212030-
CAMPBELL-
INCLUDING THE CITIES OF FINCASTLE, LA FOLLETTE, ELK VALLEY,
JELLICO, WHITE OAK, CARYVILLE, AND ROYAL BLUE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 66-71 (-1) 81-86 (-1) 63-68 81-86
RH % (24H TREND) 95-100 (+4) 66-71 (-5) 95-100 51-56
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 NW 7 NW 6 NW 12
MIXING HGT(FT-AGL) 310 3770 360 5760
VENT RATE (MPH-FT) 1550 26390 2160 69120
MAX DISPERSION EARLY 3 VERY POOR 18 GEN POOR 3 VERY POOR 33 FAIR
MAX DISPERSION LATE 2 VERY POOR 26 FAIR 2 VERY POOR 57 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 8 9 8 9
MAX LVORI LATE 9 4 9 2
PRECIP CHANCE (%) 60 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.05 0.09 0.00 0.00
PRECIP BEGIN 8 PM 12 PM
PRECIP END 5 AM 8 PM
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 51 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS LESS
THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. MINIMUM RH 48 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 60. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 50 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 57 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 62 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ014-212030-
CLAIBORNE-
INCLUDING THE CITIES OF LONE MOUNTAIN, SANDLICK, SPRINGDALE,
ARTHUR, HARROGATE-SHAWANEE, CLAIRFIELD, AND HOWARD QUARTER
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 65-70 (-1) 83-88 (-1) 63-68 83-88
RH % (24H TREND) 95-100 (+6) 61-66 (-3) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 6 NW 3 NW 10
MIXING HGT(FT-AGL) 350 3600 310 5400
VENT RATE (MPH-FT) 1050 21600 930 54000
MAX DISPERSION EARLY 2 VERY POOR 15 GEN POOR 2 VERY POOR 32 FAIR
MAX DISPERSION LATE 2 VERY POOR 24 FAIR 2 VERY POOR 51 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 8 10 8 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 60 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.12 0.04 0.00 0.00
PRECIP BEGIN 8 PM 11 AM
PRECIP END 8 AM 8 PM
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 50 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND
VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ037-212030-
UNION-
INCLUDING THE CITIES OF MAYNARDVILLE, NORRIS LAKE, PAULETTE,
ROSE HILL, SHARPS CHAPEL, AND LUTTRELL
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 66-71 (-1) 84-89 (-1) 64-69 85-90
RH % (24H TREND) 95-100 (+7) 63-68 (-1) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 NW 8 NW 3 NW 10
MIXING HGT(FT-AGL) 360 3950 320 6140
VENT RATE (MPH-FT) 1080 31600 960 61400
MAX DISPERSION EARLY 3 VERY POOR 17 GEN POOR 2 VERY POOR 32 FAIR
MAX DISPERSION LATE 3 VERY POOR 28 FAIR 2 VERY POOR 56 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 9 7 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 40 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.13 0.01 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 5 AM 8 PM
CHANCE OF THUNDER (%) 50 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 44 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 44 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 51 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ036-212030-
ANDERSON-
INCLUDING THE CITIES OF OAK RIDGE AND CLINTON
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 67-72 (0) 84-89 (-1) 64-69 84-89
RH % (24H TREND) 95-100 (+10) 60-65 (-4) 95-100 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 8 NW 5 NW 10
MIXING HGT(FT-AGL) 370 4190 340 6110
VENT RATE (MPH-FT) 1850 33520 1700 61100
MAX DISPERSION EARLY 4 VERY POOR 19 GEN POOR 3 VERY POOR 30 FAIR
MAX DISPERSION LATE 2 VERY POOR 30 FAIR 2 VERY POOR 56 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 8 7 8
MAX LVORI LATE 9 3 9 2
PRECIP CHANCE (%) 70 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.15 0.02 0.00 0.00
PRECIP BEGIN 8 PM 1 PM
PRECIP END 4 AM 8 PM
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. MINIMUM RH 45 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT. SOUTH
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 58 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ069-212030-
KNOX-
INCLUDING THE CITIES OF BEARDEN, KNOXVILLE, AND LAKE FOREST
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 68-73 (0) 86-91 (-2) 66-71 86-91
RH % (24H TREND) 95-100 (+12) 59-64 (+1) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 8 NW 3 NW 10
MIXING HGT(FT-AGL) 340 4580 310 6400
VENT RATE (MPH-FT) 1700 36640 930 64000
MAX DISPERSION EARLY 3 VERY POOR 22 FAIR 3 VERY POOR 27 FAIR
MAX DISPERSION LATE 3 VERY POOR 34 FAIR 2 VERY POOR 58 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 9 7 8
MAX LVORI LATE 9 3 10 2
PRECIP CHANCE (%) 80 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.29 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE MID
80S. MINIMUM RH 42 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 42 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 48 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 54 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ073-212030-
NORTH SEVIER-
INCLUDING THE CITIES OF HARRISBURG, KODAK, MCMAHAN, SEVIERVILLE,
SEYMOUR, AND PIGEON FORGE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
TEMP (24H TREND) 67-72 (-1) 85-90 (-3) 65-70 85-90
RH % (24H TREND) 95-100 (+16) 60-65 (+6) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 9 SW 3 W 9
MIXING HGT(FT-AGL) 320 3900 340 5680
VENT RATE (MPH-FT) 1600 35100 1020 51120
MAX DISPERSION EARLY 2 VERY POOR 23 FAIR 2 VERY POOR 25 FAIR
MAX DISPERSION LATE 2 VERY POOR 31 FAIR 2 VERY POOR 46 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 8 10 7 9
MAX LVORI LATE 10 3 9 2
PRECIP CHANCE (%) 80 40 20 0
PRECIP TYPE TSTMS TSTMS TSTMS NONE
PRECIP DURATION 2 1 1
PRECIP AMOUNT 0.29 0.02 0.02 0.00
PRECIP BEGIN 8 PM 12 PM CONTINUING
PRECIP END 7 AM CONTINUING 1 AM
CHANCE OF THUNDER (%) 50 40 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE MID
80S. MINIMUM RH 43 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. EAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT. WEST
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 49 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ067-212030-
ROANE-
INCLUDING THE CITIES OF HARRIMAN, EAGLE FURNACE, ROCKWOOD,
BRADBURY, FAIRVIEW, KINGSTON, AND OLIVER SPRINGS
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 67-72 (-1) 87-92 (-1) 64-69 87-92
RH % (24H TREND) 95-100 (+8) 59-64 (-4) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 7 NW 5 NW 10
MIXING HGT(FT-AGL) 350 4280 330 6290
VENT RATE (MPH-FT) 1750 29960 1650 62900
MAX DISPERSION EARLY 4 VERY POOR 20 GEN POOR 3 VERY POOR 32 FAIR
MAX DISPERSION LATE 3 VERY POOR 30 FAIR 2 VERY POOR 57 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 9 10 9 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.29 0.02 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 80S. MINIMUM RH 46 PERCENT. LIGHT AND VARIABLE WIND.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 46 PERCENT.
SOUTH WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 54 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 58 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ068-212030-
LOUDON-
INCLUDING THE CITIES OF LENOIR CITY AND LOUDON
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 68-73 (0) 87-92 (-2) 65-70 87-92
RH % (24H TREND) 95-100 (+11) 60-65 (+1) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 8 NW 3 NW 10
MIXING HGT(FT-AGL) 340 4510 310 6260
VENT RATE (MPH-FT) 1700 36080 930 62600
MAX DISPERSION EARLY 4 VERY POOR 20 GEN POOR 2 VERY POOR 26 FAIR
MAX DISPERSION LATE 3 VERY POOR 32 FAIR 1 VERY POOR 56 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 10 8 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.27 0.02 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 80S. MINIMUM RH 44 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 51 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST WINDS LESS THAN
10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 57 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ071-212030-
NORTHWEST BLOUNT-
INCLUDING THE CITIES OF HAPPY VALLEY, MARYVILLE, AND ALCOA
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 68-73 (-1) 86-91 (-3) 66-71 86-91
RH % (24H TREND) 95-100 (+16) 59-64 (+2) 95-100 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR W 6 LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 9 NW 3 NW 10
MIXING HGT(FT-AGL) 360 4460 310 6010
VENT RATE (MPH-FT) 1080 40140 930 60100
MAX DISPERSION EARLY 3 VERY POOR 23 FAIR 2 VERY POOR 25 FAIR
MAX DISPERSION LATE 2 VERY POOR 35 FAIR 2 VERY POOR 53 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 9 7 9
MAX LVORI LATE 9 3 9 2
PRECIP CHANCE (%) 80 30 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.30 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM CONTINUING
CHANCE OF THUNDER (%) 50 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS LESS THAN 10 MPH.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE MID
80S. MINIMUM RH 44 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 51 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ086-212030-
NORTHWEST MONROE-
INCLUDING THE CITIES OF SWEETWATER, MADISONVILLE,
AND BULLET CREEK
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 67-72 (-1) 87-92 (-3) 65-70 87-92
RH % (24H TREND) 95-100 (+15) 59-64 (+2) 95-100 45-50
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) S 3 W 8 N 3 NW 9
MIXING HGT(FT-AGL) 350 4540 340 6140
VENT RATE (MPH-FT) 1050 36320 1020 55260
MAX DISPERSION EARLY 4 VERY POOR 21 FAIR 2 VERY POOR 29 FAIR
MAX DISPERSION LATE 2 VERY POOR 33 FAIR 1 VERY POOR 50 GEN GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 9 10 8 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 3 1
PRECIP AMOUNT 0.44 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 8 AM CONTINUING
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 43 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 51 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 56 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ083-212030-
RHEA-
INCLUDING THE CITIES OF DAYTON, EVENSVILLE, OLD WASHINGTON,
GRANDVIEW, AND SPRING CITY
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 67-72 (-1) 86-91 (-2) 64-69 87-92
RH % (24H TREND) 95-100 (+9) 59-64 (-4) 95-100 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) W 3 NW 8 NW 5 NW 12
MIXING HGT(FT-AGL) 340 4400 300 5700
VENT RATE (MPH-FT) 1020 35200 1500 68400
MAX DISPERSION EARLY 4 VERY POOR 21 FAIR 3 VERY POOR 36 FAIR
MAX DISPERSION LATE 2 VERY POOR 32 FAIR 2 VERY POOR 59 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 9 10 8 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.24 0.02 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 5 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT. NORTH
WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 49 PERCENT.
SOUTH WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. LIGHT AND VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND
VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 60 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ084-212030-
MEIGS-
INCLUDING THE CITY OF BIG SPRING
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 68-73 (-1) 88-93 (-2) 66-71 88-93
RH % (24H TREND) 95-100 (+9) 57-62 (-2) 95-100 45-50
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 2 W 7 N 3 NW 10
MIXING HGT(FT-AGL) 320 4300 290 6180
VENT RATE (MPH-FT) 640 30100 870 61800
MAX DISPERSION EARLY 3 VERY POOR 19 GEN POOR 2 VERY POOR 37 FAIR
MAX DISPERSION LATE 2 VERY POOR 28 FAIR 2 VERY POOR 56 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 9 10 9 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.32 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 6 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. LIGHT AND VARIABLE WIND.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S. MINIMUM RH 45 PERCENT. LIGHT AND VARIABLE WIND.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. LIGHT AND VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 52 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT AND VARIABLE WIND.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 57 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ085-212030-
MCMINN-
INCLUDING THE CITIES OF ATHENS, CLEAR WATER, DENTVILLE,
AND ETOWAH
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 68-73 (0) 88-93 (-2) 66-71 88-93
RH % (24H TREND) 95-100 (+13) 57-62 (+1) 95-100 43-48
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 7 N 3 NW 10
MIXING HGT(FT-AGL) 320 4430 310 6340
VENT RATE (MPH-FT) 960 31010 930 63400
MAX DISPERSION EARLY 4 VERY POOR 19 GEN POOR 2 VERY POOR 35 FAIR
MAX DISPERSION LATE 2 VERY POOR 29 FAIR 1 VERY POOR 57 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 9 10 9 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP DURATION 2
PRECIP AMOUNT 0.47 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 3 PM
CHANCE OF THUNDER (%) 50 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 41 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S. MINIMUM RH 43 PERCENT. WEST WINDS LESS THAN
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 50 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST WINDS LESS THAN
10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 55 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ099-212030-
HAMILTON-
INCLUDING THE CITIES OF CHATTANOOGA, LOOKOUT MOUNTAIN,
AND SIGNAL MOUNTAIN
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 69-74 (-1) 88-93 (-3) 66-71 89-94
RH % (24H TREND) 95-100 (+14) 53-58 (-2) 95-100 40-45
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 7 NW 5 NW 10
MIXING HGT(FT-AGL) 330 4350 310 6300
VENT RATE (MPH-FT) 990 30450 1550 63000
MAX DISPERSION EARLY 3 VERY POOR 18 GEN POOR 3 VERY POOR 39 FAIR
MAX DISPERSION LATE 2 VERY POOR 27 FAIR 2 VERY POOR 58 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 7 9 7 8
MAX LVORI LATE 9 3 8 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.37 0.02 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 6 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 43 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S. MINIMUM RH 42 PERCENT. NORTH WINDS LESS THAN
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 45 PERCENT.
SOUTH WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 52 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 70. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 56 PERCENT. WEST WINDS
LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ100-212030-
BRADLEY-
INCLUDING THE CITIES OF CLEVELAND AND TASSO
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 69-74 (0) 88-93 (-3) 66-71 89-94
RH % (24H TREND) 95-100 (+14) 54-59 (+1) 95-100 40-45
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 3 W 7 N 5 NW 10
MIXING HGT(FT-AGL) 330 4300 310 6330
VENT RATE (MPH-FT) 990 30100 1550 63300
MAX DISPERSION EARLY 4 VERY POOR 18 GEN POOR 2 VERY POOR 35 FAIR
MAX DISPERSION LATE 3 VERY POOR 25 FAIR 2 VERY POOR 57 GEN GOOD
CATEGORY DAY 1 2 1 4
MAX LVORI EARLY 9 10 8 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 80 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 3 1
PRECIP AMOUNT 0.60 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 7 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 42 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S. MINIMUM RH 39 PERCENT. NORTH WINDS LESS THAN
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. NORTHEAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S. MINIMUM RH 42 PERCENT. WEST WINDS LESS THAN
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH WINDS LESS THAN
10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ101-212030-
WEST POLK-
INCLUDING THE CITIES OF CONASAUGA, ARCHVILLE, BENTON, PARKSVILLE,
AND RELIANCE
328 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
TEMP (24H TREND) 67-72 (-1) 88-93 (-3) 65-70 88-93
RH % (24H TREND) 95-100 (+17) 53-58 (+3) 95-100 40-45
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SE 5 W 8 N 3 NW 10
MIXING HGT(FT-AGL) 360 4210 310 5960
VENT RATE (MPH-FT) 1800 33680 930 59600
MAX DISPERSION EARLY 3 VERY POOR 17 GEN POOR 2 VERY POOR 34 FAIR
MAX DISPERSION LATE 3 VERY POOR 29 FAIR 2 VERY POOR 54 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 8 10 8 10
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 90 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.35 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 8 AM 8 PM
CHANCE OF THUNDER (%) 50 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 42 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 39 PERCENT.
NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. EAST WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 41 PERCENT.
WEST WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTH WINDS LESS THAN
10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 52 PERCENT. SOUTHWEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ082-212030-
BLEDSOE-
INCLUDING THE CITIES OF OLD CUMBERLAND, PALIO, MELVINE,
MOUNT CREST, PIKEVILLE, AND BRAYTON
228 PM CDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 66-71 (-1) 84-89 (-2) 62-67 84-89
RH % (24H TREND) 95-100 (+8) 60-65 (-3) 95-100 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 9 NW 5 NW 13
MIXING HGT(FT-AGL) 340 4430 330 4990
VENT RATE (MPH-FT) 1700 39870 1650 64870
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 4 VERY POOR 37 FAIR
MAX DISPERSION LATE 3 VERY POOR 35 FAIR 2 VERY POOR 53 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 9 9 9 9
MAX LVORI LATE 10 3 10 2
PRECIP CHANCE (%) 70 20 0 0
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP DURATION 2
PRECIP AMOUNT 0.23 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 5 AM 5 PM
CHANCE OF THUNDER (%) 40 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 50 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS LESS
THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT. NORTH
WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT. SOUTH
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. LIGHT AND VARIABLE WIND.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS
LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 61 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ081-212030-
SEQUATCHIE-
INCLUDING THE CITIES OF CAGLE, DUNLAP, CARTWRIGHT, AND LONE OAK
228 PM CDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 66-71 (-1) 84-89 (-3) 63-68 84-89
RH % (24H TREND) 95-100 (+9) 60-65 (-2) 95-100 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) SW 5 W 8 NW 6 NW 12
MIXING HGT(FT-AGL) 350 4440 330 5340
VENT RATE (MPH-FT) 1750 35520 1980 64080
MAX DISPERSION EARLY 4 VERY POOR 23 FAIR 4 VERY POOR 39 FAIR
MAX DISPERSION LATE 3 VERY POOR 35 FAIR 2 VERY POOR 54 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 9 10 8 9
MAX LVORI LATE 10 3 9 2
PRECIP CHANCE (%) 70 20 0 0
PRECIP TYPE TSTMS TSTMS NONE NONE
PRECIP DURATION 2 1
PRECIP AMOUNT 0.21 0.01 0.00 0.00
PRECIP BEGIN 8 PM 2 PM
PRECIP END 5 AM 7 PM
CHANCE OF THUNDER (%) 40 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 49 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 80S. MINIMUM RH 45 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT. SOUTH
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 60S. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 57 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 62 PERCENT. WEST
WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
TNZ098-212030-
MARION-
INCLUDING THE CITIES OF SOUTH PITTSBURG, HALETOWN (GUILD),
JASPER, MARTIN SPRINGS, WHITWELL, POWELLS CROSSROADS,
AND MONTEAGLE
228 PM CDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
TEMP (24H TREND) 68-73 (-1) 85-90 (-3) 64-69 86-91
RH % (24H TREND) 95-100 (+12) 54-59 (-3) 95-100 42-47
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR LGT/VAR
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
TRANSPORT WND (MPH) W 5 NW 8 N 5 NW 12
MIXING HGT(FT-AGL) 340 4610 290 5610
VENT RATE (MPH-FT) 1700 36880 1450 67320
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 4 VERY POOR 37 FAIR
MAX DISPERSION LATE 4 VERY POOR 35 FAIR 2 VERY POOR 54 GEN GOOD
CATEGORY DAY 1 3 1 4
MAX LVORI EARLY 7 9 6 8
MAX LVORI LATE 9 3 8 2
PRECIP CHANCE (%) 70 0 0 0
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP DURATION 2
PRECIP AMOUNT 0.35 0.00 0.00 0.00
PRECIP BEGIN 8 PM
PRECIP END 5 AM
CHANCE OF THUNDER (%) 40 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS LESS THAN 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
LESS THAN 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
42 PERCENT. NORTH WINDS LESS THAN 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. NORTH WINDS LESS THAN 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT. SOUTH
WINDS LESS THAN 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. SOUTHEAST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 58 PERCENT.
WEST WINDS LESS THAN 10 MPH.
*THE AGL MIXING HEIGHT IS CALCULATED FROM AN AVERAGE ELEVATION FOR
THE ENTIRE FORECAST ZONE AND SHOULD ONLY BE USED AS A GUIDE.
FOR A SPECIFIC AGL MIXING HEIGHT A SPOT FORECAST WILL BE NEEDED.
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