291
FNUS54 KMRX 211920
FWFMRX
FIRE WEATHER PLANNING FORECAST FOR EAST TENNESSEE...SOUTHWEST
VIRGINIA...AND EXTREME SOUTHWEST NORTH CAROLINA
NATIONAL WEATHER SERVICE MORRISTOWN TN
220 PM EST SUN DEC 21 2025
DISCUSSION
..LOW RH'S TODAY AND TOMORROW
TODAY WILL BE DRY WITH DECREASING CLOUDS AND RELATIVE HUMIDITY
VALUES DROPPING WELL INTO THE 20S AND EVEN UPPER TEENS FOR SOME.
WINDS WILL BE GENERALLY FROM THE NORTH TO NORTHEAST AT AROUND 10
MPH. RH'S WILL BE LOW AGAIN ON MONDAY BUT WITH LIGHTER AND MORE
VARIABLE WINDS. CHANCES FOR LIGHT RAIN RETURN BY TUESDAY INTO
CHRISTMAS EVE MORNING.
VAZ001-222030-
LEE-
INCLUDING THE CITY OF ROSE HILL
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 23-28 (-6) 49-54 (+4) 35-40 51-56
RH % (24H TREND) 65-70 (-12) 18-23 (+3) 78-83 60-65
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 13
PM 20FT WND (MPH) LGT/VAR S 6 S 11 SW 8
TRANSPORT WND (MPH) E 7 S 12 S 9 SW 12
MIXING HGT(FT-AGL) 150 1580 240 2090
VENT RATE (MPH-FT) 1050 18960 2160 25080
MAX DISPERSION EARLY 3 VERY POOR 12 POOR 5 VERY POOR 26 FAIR
MAX DISPERSION LATE 3 VERY POOR 16 GEN POOR 12 POOR 23 FAIR
CATEGORY DAY 1 2 1 2
MAX LVORI EARLY 3 2 3 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 40 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE UPPER 50S. MINIMUM RH
79 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 76 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. MINIMUM RH 77 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 63 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 40. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 57 PERCENT. WEST WINDS 5 TO 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.
VAZ002-222030-
WISE-
INCLUDING THE CITIES OF BIG STONE GAP, NORTON, WISE, COEBURN,
APPALACHIA, AND PARDEE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 23-28 (-7) 48-53 (+7) 35-40 50-55
RH % (24H TREND) 62-67 (-2) 15-20 (-2) 79-84 57-62
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) S 6 SW 18
PM 20FT WND (MPH) LGT/VAR S 9 S 18 SW 10
TRANSPORT WND (MPH) SE 6 S 14 S 14 W 14
MIXING HGT(FT-AGL) 10 1590 80 2340
VENT RATE (MPH-FT) 60 22260 1120 32760
MAX DISPERSION EARLY 2 VERY POOR 15 GEN POOR 13 GEN POOR 34 FAIR
MAX DISPERSION LATE 2 VERY POOR 20 GEN POOR 22 FAIR 33 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 2 2 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 50 30
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 50S. MINIMUM RH 77 PERCENT. SOUTHWEST WINDS LESS
THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 80 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 60.
MINIMUM RH 79 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 65 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE UPPER 30S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS AROUND 50. MINIMUM RH 61 PERCENT. WEST WINDS 5 TO 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.
VAZ005-222030-
SCOTT VA-
INCLUDING THE CITY OF HILTONS
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 24-29 (-6) 50-55 (+5) 35-40 51-56
RH % (24H TREND) 62-67 (-13) 18-23 (+5) 78-83 58-63
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 17
PM 20FT WND (MPH) LGT/VAR S 7 S 13 SW 9
TRANSPORT WND (MPH) E 7 S 9 S 8 W 14
MIXING HGT(FT-AGL) 70 1650 120 2270
VENT RATE (MPH-FT) 490 14850 960 31780
MAX DISPERSION EARLY 3 VERY POOR 8 POOR 3 VERY POOR 27 FAIR
MAX DISPERSION LATE 2 VERY POOR 14 GEN POOR 4 VERY POOR 28 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 2 3 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 60. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. MINIMUM RH 76 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 62 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE LOWER 50S. MINIMUM RH 56 PERCENT. WEST WINDS 5 TO
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.
VAZ006-222030-
RUSSELL-
INCLUDING THE CITIES OF HANSONVILLE, LEBANON, DYE, CASTLEWOOD,
HONAKER, AND ROSEDALE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 22-27 (-8) 49-54 (+8) 34-39 49-54
RH % (24H TREND) 64-69 (-2) 16-21 (+1) 77-82 55-60
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 5 SW 22
PM 20FT WND (MPH) LGT/VAR S 7 S 12 SW 12
TRANSPORT WND (MPH) E 6 S 12 S 10 W 15
MIXING HGT(FT-AGL) 20 1940 70 2330
VENT RATE (MPH-FT) 120 23280 700 34950
MAX DISPERSION EARLY 3 VERY POOR 14 GEN POOR 7 POOR 37 FAIR
MAX DISPERSION LATE 2 VERY POOR 19 GEN POOR 19 GEN POOR 35 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 2 2 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. MINIMUM RH
75 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS AROUND
60. MINIMUM RH 80 PERCENT. SOUTHWEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS AROUND
60. MINIMUM RH 78 PERCENT. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. WEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 65 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 40. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE LOWER 50S. MINIMUM RH 60 PERCENT. WEST WINDS 5 TO
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.
VAZ008-222030-
WASHINGTON VA-
INCLUDING THE CITIES OF BENHAMS, BRISTOL VA, AND ABINGDON
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 22-27 (-7) 50-55 (+7) 32-37 49-54
RH % (24H TREND) 61-66 (-7) 17-22 (+4) 80-85 57-62
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 6 SW 19
PM 20FT WND (MPH) NE 5 S 7 SE 12 SW 12
TRANSPORT WND (MPH) E 7 S 9 S 8 W 16
MIXING HGT(FT-AGL) 80 2080 130 2380
VENT RATE (MPH-FT) 560 18720 1040 38080
MAX DISPERSION EARLY 3 VERY POOR 11 POOR 4 VERY POOR 36 FAIR
MAX DISPERSION LATE 2 VERY POOR 16 GEN POOR 7 POOR 39 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 2 3 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. MINIMUM RH
74 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 80 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 77 PERCENT. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 65 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE LOWER 50S. MINIMUM RH 61 PERCENT. WEST WINDS 5 TO 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.
TNZ018-222030-
JOHNSON-
INCLUDING THE CITIES OF DOEVILLE, MOUNTAIN CITY, NEVA,
SHADY VALLEY, TRADE, AND LAUREL BLOOMERY
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 22-27 (-7) 48-53 (+6) 31-36 49-54
RH % (24H TREND) 49-54 (-14) 14-19 (+2) 83-88 61-66
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR W 11 G21
PM 20FT WND (MPH) LGT/VAR SE 6 SE 8 W 12 G20
TRANSPORT WND (MPH) E 7 S 12 S 13 W 16
MIXING HGT(FT-AGL) 20 1680 50 2320
VENT RATE (MPH-FT) 140 20160 650 37120
MAX DISPERSION EARLY 3 VERY POOR 15 GEN POOR 5 VERY POOR 32 FAIR
MAX DISPERSION LATE 2 VERY POOR 17 GEN POOR 5 VERY POOR 35 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 2 2 4 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 60. MINIMUM RH
66 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 72 PERCENT. WEST WINDS LESS THAN
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 71 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
AROUND 60. MINIMUM RH 62 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE LOWER 50S. MINIMUM RH 61 PERCENT. WEST WINDS 5 TO 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.
TNZ047-222030-
SOUTHEAST CARTER-
INCLUDING THE CITY OF HAMPTON
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 24-29 (-4) 46-51 (+6) 32-37 48-53
RH % (24H TREND) 44-49 (-28) 14-19 (+1) 83-88 57-62
RH RECOVERY MODERATE EXCELLENT
AM 20FT WND (MPH) SE 6 W 11 G19
PM 20FT WND (MPH) SE 6 S 8 S 11 W 14
TRANSPORT WND (MPH) E 7 S 12 W 13 W 17
MIXING HGT(FT-AGL) 1460 30 2430
VENT RATE (MPH-FT) 0 17520 390 41310
MAX DISPERSION EARLY 3 VERY POOR 13 GEN POOR 7 POOR 31 FAIR
MAX DISPERSION LATE 2 VERY POOR 14 GEN POOR 6 VERY POOR 36 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 2 2 4 4
PRECIP CHANCE (%) 0 0 20 0
PRECIP TYPE NONE NONE SHOWERS NONE
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.01 0.00
PRECIP BEGIN 1 AM
PRECIP END CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. MINIMUM RH
69 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
70 PERCENT. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. WEST WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
AROUND 60. MINIMUM RH 72 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS AROUND 60. MINIMUM RH
63 PERCENT. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE LOWER 50S. MINIMUM RH 63 PERCENT. WEST WINDS 5 TO 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.
TNZ045-222030-
UNICOI-
INCLUDING THE CITIES OF ERWIN, UNICOI, AND LIMESTONE COVE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 27-32 (-2) 47-52 (+6) 34-39 50-55
RH % (24H TREND) 41-46 (-27) 16-21 (-1) 79-84 49-54
RH RECOVERY POOR EXCELLENT
AM 20FT WND (MPH) S 8 SW 11
PM 20FT WND (MPH) LGT/VAR S 11 S 13 W 10
TRANSPORT WND (MPH) SE 7 S 14 SW 12 W 16
MIXING HGT(FT-AGL) 1650 50 2440
VENT RATE (MPH-FT) 0 23100 600 39040
MAX DISPERSION EARLY 3 VERY POOR 17 GEN POOR 7 POOR 28 FAIR
MAX DISPERSION LATE 2 VERY POOR 20 GEN POOR 7 POOR 34 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 5
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 20 10
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 60. MINIMUM RH
72 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
69 PERCENT. WEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 73 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
64 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE LOWER 50S. MINIMUM RH 66 PERCENT. WEST WINDS 5 TO 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.
TNZ043-222030-
SOUTHEAST GREENE-
INCLUDING THE CITY OF CEDAR CREEK
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 26-31 (-5) 48-53 (+5) 36-41 51-56
RH % (24H TREND) 44-49 (-23) 15-20 (-5) 72-77 49-54
RH RECOVERY POOR EXCELLENT
AM 20FT WND (MPH) SE 10 SW 8
PM 20FT WND (MPH) NE 6 SE 12 SE 14 W 9
TRANSPORT WND (MPH) NE 6 SE 16 S 12 W 12
MIXING HGT(FT-AGL) 1290 2180
VENT RATE (MPH-FT) 0 20640 0 26160
MAX DISPERSION EARLY 1 VERY POOR 17 GEN POOR 5 VERY POOR 15 GEN POOR
MAX DISPERSION LATE 1 VERY POOR 20 GEN POOR 5 VERY POOR 26 FAIR
CATEGORY DAY 1 2 1 2
MAX LVORI EARLY 2 2 2 5
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.02
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
71 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
64 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 68 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
61 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE LOWER 50S. MINIMUM RH 63 PERCENT. WEST WINDS 5 TO
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.
TNZ041-222030-
COCKE SMOKY MOUNTAINS-
INCLUDING THE CITY OF HARTFORD
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 29-34 (-3) 51-56 (+6) 38-43 54-59
RH % (24H TREND) 44-49 (-21) 18-23 (0) 75-80 53-58
RH RECOVERY MODERATE EXCELLENT
AM 20FT WND (MPH) SE 11 SW 15
PM 20FT WND (MPH) SE 8 S 11 S 17 W 12
TRANSPORT WND (MPH) SE 7 S 10 SW 9 W 15
MIXING HGT(FT-AGL) 70 1770 100 3020
VENT RATE (MPH-FT) 490 17700 900 45300
MAX DISPERSION EARLY 3 VERY POOR 12 POOR 7 POOR 28 FAIR
MAX DISPERSION LATE 4 VERY POOR 15 GEN POOR 7 POOR 40 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
69 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. MINIMUM RH 64 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE MID 50S. MINIMUM RH 63 PERCENT. WEST WINDS 5 TO
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.
TNZ074-222030-
SEVIER SMOKY MOUNTAINS-
INCLUDING THE CITIES OF ELKMONT AND GATLINBURG
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 31-36 (0) 48-53 (+5) 37-42 51-56
RH % (24H TREND) 40-45 (-28) 21-26 (+5) 77-82 53-58
RH RECOVERY POOR EXCELLENT
AM 20FT WND (MPH) S 11 SW 14
PM 20FT WND (MPH) E 10 S 12 S 16 SW 11
TRANSPORT WND (MPH) NE 9 S 10 S 16 W 15
MIXING HGT(FT-AGL) 1290 2360
VENT RATE (MPH-FT) 0 12900 0 35400
MAX DISPERSION EARLY 3 VERY POOR 9 POOR 4 VERY POOR 31 FAIR
MAX DISPERSION LATE 3 VERY POOR 11 POOR 7 POOR 33 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 2 2 4 4
PRECIP CHANCE (%) 0 0 30 30
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 70 PERCENT. WEST WINDS LESS THAN
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 68 PERCENT. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 61 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE LOWER 50S. MINIMUM RH 64 PERCENT. NORTHWEST WINDS
5 TO 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.
TNZ072-222030-
BLOUNT SMOKY MOUNTAINS-
INCLUDING THE CITY OF CADES COVE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 33-38 (-2) 53-58 (+5) 41-46 55-60
RH % (24H TREND) 45-50 (-15) 22-27 (+8) 72-77 51-56
RH RECOVERY MODERATE EXCELLENT
AM 20FT WND (MPH) SE 11 SW 13
PM 20FT WND (MPH) E 9 S 11 S 16 SW 9
TRANSPORT WND (MPH) SE 7 SE 13 S 16 SW 14
MIXING HGT(FT-AGL) 110 1530 160 2390
VENT RATE (MPH-FT) 770 19890 2560 33460
MAX DISPERSION EARLY 5 VERY POOR 12 POOR 10 POOR 30 FAIR
MAX DISPERSION LATE 3 VERY POOR 16 GEN POOR 11 POOR 30 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 3
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 71 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
62 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. MINIMUM RH 69 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 61 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 64 PERCENT. WEST WINDS 5 TO 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.
TNZ087-222030-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF CITICO AND COKER CREEK
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 32-37 (-1) 52-57 (+3) 40-45 55-60
RH % (24H TREND) 52-57 (-19) 17-22 (+2) 70-75 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 9 S 11
PM 20FT WND (MPH) E 8 SE 11 SE 15 SW 7
TRANSPORT WND (MPH) SE 7 S 15 S 14 SW 14
MIXING HGT(FT-AGL) 70 1850 140 1920
VENT RATE (MPH-FT) 490 27750 1960 26880
MAX DISPERSION EARLY 4 VERY POOR 17 GEN POOR 15 GEN POOR 19 GEN POOR
MAX DISPERSION LATE 2 VERY POOR 24 FAIR 16 GEN POOR 22 FAIR
CATEGORY DAY 1 2 1 2
MAX LVORI EARLY 2 2 2 3
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.02
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
69 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 70 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 61 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. COOLER.
HIGHS IN THE MID 50S. MINIMUM RH 62 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ102-222030-
EAST POLK-
INCLUDING THE CITIES OF BIG FROG MOUNTAIN, DUCKTOWN,
AND TURTLETOWN
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 31-36 (0) 53-58 (+2) 41-46 57-62
RH % (24H TREND) 62-67 (-16) 16-21 (+2) 69-74 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 10 S 13
PM 20FT WND (MPH) NE 9 SE 12 SE 17 SW 8
TRANSPORT WND (MPH) SE 7 SE 17 S 10 SW 13
MIXING HGT(FT-AGL) 70 2090 270 2030
VENT RATE (MPH-FT) 490 35530 2700 26390
MAX DISPERSION EARLY 3 VERY POOR 28 FAIR 14 GEN POOR 17 GEN POOR
MAX DISPERSION LATE 3 VERY POOR 35 FAIR 15 GEN POOR 22 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 2 2 3
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 0
PRECIP TYPE NONE NONE SHOWERS NONE
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.01 0.00
PRECIP BEGIN 1 AM
PRECIP END 7 AM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
56 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
67 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
57 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO 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.
NCZ060-222030-
CHEROKEE-
INCLUDING THE CITIES OF ANDREWS, MARBLE, TOPTON, HIAWASSE DAM,
MURPHY, UNAKA, AND VIOLET
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 29-34 (+2) 51-56 (-1) 37-42 56-61
RH % (24H TREND) 63-68 (-24) 15-20 (-5) 76-81 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 8 S 8
PM 20FT WND (MPH) NE 6 SE 11 SE 12 SW 5
TRANSPORT WND (MPH) E 7 SE 15 S 7 W 10
MIXING HGT(FT-AGL) 150 2060 210 1880
VENT RATE (MPH-FT) 1050 30900 1470 18800
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 10 POOR 12 POOR
MAX DISPERSION LATE 3 VERY POOR 29 FAIR 11 POOR 17 GEN POOR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 5
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
65 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
57 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 68 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. WEST WINDS LESS THAN 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 58 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. MINIMUM RH 59 PERCENT. NORTHWEST 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.
NCZ061-222030-
CLAY-
INCLUDING THE CITIES OF SHOOTING CREEK, BRASSTOWN, HAYESVILLE,
AND TUSQUITEE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 29-34 (+3) 48-53 (-4) 35-40 53-58
RH % (24H TREND) 62-67 (-29) 18-23 (-15) 82-87 53-58
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 8 SW 8
PM 20FT WND (MPH) NE 6 SE 8 SE 10 W 10
TRANSPORT WND (MPH) NE 8 SE 13 S 8 W 10
MIXING HGT(FT-AGL) 80 1760 90 1420
VENT RATE (MPH-FT) 640 22880 720 14200
MAX DISPERSION EARLY 3 VERY POOR 19 GEN POOR 6 VERY POOR 10 POOR
MAX DISPERSION LATE 4 VERY POOR 22 FAIR 6 VERY POOR 13 GEN POOR
CATEGORY DAY 1 2 1 2
MAX LVORI EARLY 2 2 2 6
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 0
PRECIP TYPE NONE NONE SHOWERS NONE
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.01 0.00
PRECIP BEGIN 1 AM
PRECIP END CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. NORTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
69 PERCENT. NORTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
64 PERCENT. WEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
75 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
64 PERCENT. WEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. MINIMUM RH 63 PERCENT. NORTHWEST WINDS 5 TO 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.
TNZ015-222030-
HANCOCK-
INCLUDING THE CITIES OF EVANSTON, SNEEDVILLE, TREADWAY,
AND KYLES FORD
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 22-27 (-4) 50-55 (+4) 34-39 53-58
RH % (24H TREND) 67-72 (-15) 20-25 (+6) 74-79 60-65
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 9
PM 20FT WND (MPH) NE 5 LGT/VAR LGT/VAR SW 7
TRANSPORT WND (MPH) NE 7 S 9 S 7 SW 14
MIXING HGT(FT-AGL) 130 1470 110 1900
VENT RATE (MPH-FT) 910 13230 770 26600
MAX DISPERSION EARLY 3 VERY POOR 10 POOR 3 VERY POOR 29 FAIR
MAX DISPERSION LATE 3 VERY POOR 13 GEN POOR 9 POOR 26 FAIR
CATEGORY DAY 1 1 1 2
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
78 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
71 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 62 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 56 PERCENT. WEST WINDS 5 TO 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.
TNZ016-222030-
HAWKINS-
INCLUDING THE CITY OF MOORESBURG
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 22-27 (-4) 51-56 (+4) 34-39 53-58
RH % (24H TREND) 67-72 (-19) 21-26 (+7) 76-81 60-65
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 7
PM 20FT WND (MPH) NE 6 LGT/VAR LGT/VAR SW 7
TRANSPORT WND (MPH) E 8 S 9 SW 7 W 17
MIXING HGT(FT-AGL) 160 1560 130 2250
VENT RATE (MPH-FT) 1280 14040 910 38250
MAX DISPERSION EARLY 3 VERY POOR 9 POOR 3 VERY POOR 30 FAIR
MAX DISPERSION LATE 3 VERY POOR 12 POOR 2 VERY POOR 34 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
79 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 72 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 63 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 58 PERCENT. WEST WINDS 5 TO 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.
TNZ017-222030-
SULLIVAN-
INCLUDING THE CITIES OF KINGSPORT, BRISTOL TN,
AND SOUTH HOLSTON DAM
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 23-28 (-4) 52-57 (+7) 34-39 51-56
RH % (24H TREND) 64-69 (-20) 17-22 (+5) 78-83 56-61
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 7 SW 10
PM 20FT WND (MPH) LGT/VAR S 8 SE 10 SW 11
TRANSPORT WND (MPH) E 7 S 8 SW 7 W 15
MIXING HGT(FT-AGL) 150 1950 160 2480
VENT RATE (MPH-FT) 1050 15600 1120 37200
MAX DISPERSION EARLY 3 VERY POOR 9 POOR 3 VERY POOR 24 FAIR
MAX DISPERSION LATE 2 VERY POOR 13 GEN POOR 3 VERY POOR 33 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
75 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 63 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. MINIMUM RH 58 PERCENT. WEST WINDS 5 TO 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.
TNZ046-222030-
NORTHWEST CARTER-
INCLUDING THE CITY OF ELIZABETHTON
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 24-29 (-3) 51-56 (+7) 34-39 51-56
RH % (24H TREND) 50-55 (-29) 14-19 (+3) 81-86 56-61
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 5 SW 9 G17
PM 20FT WND (MPH) LGT/VAR SE 7 SE 8 W 10
TRANSPORT WND (MPH) E 7 S 9 SE 10 W 14
MIXING HGT(FT-AGL) 90 1780 130 2400
VENT RATE (MPH-FT) 630 16020 1300 33600
MAX DISPERSION EARLY 3 VERY POOR 12 POOR 6 VERY POOR 26 FAIR
MAX DISPERSION LATE 3 VERY POOR 15 GEN POOR 6 VERY POOR 32 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 5
MAX LVORI LATE 2 2 4 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
67 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
68 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE LOWER 60S. MINIMUM RH 68 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH
59 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. MINIMUM RH 58 PERCENT. WEST WINDS 5 TO 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.
TNZ044-222030-
WASHINGTON TN-
INCLUDING THE CITY OF JOHNSON CITY
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 23-28 (-4) 52-57 (+7) 35-40 52-57
RH % (24H TREND) 60-65 (-26) 18-23 (+3) 78-83 55-60
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 7
PM 20FT WND (MPH) LGT/VAR S 8 S 11 W 8
TRANSPORT WND (MPH) E 7 S 12 SW 7 W 17
MIXING HGT(FT-AGL) 130 1890 120 2640
VENT RATE (MPH-FT) 910 22680 840 44880
MAX DISPERSION EARLY 3 VERY POOR 13 GEN POOR 5 VERY POOR 27 FAIR
MAX DISPERSION LATE 2 VERY POOR 18 GEN POOR 4 VERY POOR 40 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 2 3 5
MAX LVORI LATE 3 2 4 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
73 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
71 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. MINIMUM RH 73 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. MINIMUM RH 62 PERCENT. WEST WINDS 5 TO 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.
TNZ042-222030-
NORTHWEST GREENE-
INCLUDING THE CITY OF GREENEVILLE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 22-27 (-6) 53-58 (+6) 35-40 54-59
RH % (24H TREND) 65-70 (-20) 19-24 (+2) 75-80 57-62
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 8
PM 20FT WND (MPH) NE 6 S 8 S 11 W 8
TRANSPORT WND (MPH) E 8 S 12 S 6 W 18
MIXING HGT(FT-AGL) 200 1740 130 2570
VENT RATE (MPH-FT) 1600 20880 780 46260
MAX DISPERSION EARLY 3 VERY POOR 14 GEN POOR 5 VERY POOR 26 FAIR
MAX DISPERSION LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 40 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 2 4 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
74 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
67 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. MINIMUM RH 70 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
61 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 61 PERCENT. WEST WINDS 5 TO 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.
TNZ038-222030-
GRAINGER-
INCLUDING THE CITY OF BEAN STATION
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 26-31 (-2) 51-56 (+3) 37-42 55-60
RH % (24H TREND) 62-67 (-21) 26-31 (+12) 69-74 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 11
PM 20FT WND (MPH) NE 8 LGT/VAR S 6 SW 9
TRANSPORT WND (MPH) E 9 S 6 S 7 SW 18
MIXING HGT(FT-AGL) 170 1060 100 2040
VENT RATE (MPH-FT) 1530 6360 700 36720
MAX DISPERSION EARLY 3 VERY POOR 4 VERY POOR 4 VERY POOR 37 FAIR
MAX DISPERSION LATE 4 VERY POOR 5 VERY POOR 11 POOR 35 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
69 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 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.
TNZ039-222030-
HAMBLEN-
INCLUDING THE CITIES OF ALPHA, MORRISTOWN, AND RUSSELLVILLE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 24-29 (-4) 52-57 (+4) 36-41 55-60
RH % (24H TREND) 67-72 (-19) 24-29 (+10) 73-78 60-65
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 8
PM 20FT WND (MPH) NE 5 LGT/VAR LGT/VAR SW 8
TRANSPORT WND (MPH) E 10 S 6 S 6 W 20
MIXING HGT(FT-AGL) 210 1160 140 2310
VENT RATE (MPH-FT) 2100 6960 840 46200
MAX DISPERSION EARLY 4 VERY POOR 4 VERY POOR 2 VERY POOR 37 FAIR
MAX DISPERSION LATE 4 VERY POOR 5 VERY POOR 3 VERY POOR 45 GEN GOOD
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
77 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
67 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. MINIMUM RH 71 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
62 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 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.
TNZ040-222030-
NORTHWEST COCKE-
INCLUDING THE CITIES OF BYBEE AND NEWPORT
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 24-29 (-5) 54-59 (+6) 37-42 57-62
RH % (24H TREND) 65-70 (-13) 20-25 (+4) 76-81 55-60
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 6 SW 9
PM 20FT WND (MPH) E 6 S 5 SE 8 W 9
TRANSPORT WND (MPH) E 7 S 6 SW 5 W 16
MIXING HGT(FT-AGL) 170 1490 140 2780
VENT RATE (MPH-FT) 1190 8940 700 44480
MAX DISPERSION EARLY 3 VERY POOR 6 VERY POOR 3 VERY POOR 25 FAIR
MAX DISPERSION LATE 3 VERY POOR 7 POOR 2 VERY POOR 37 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 2 4 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
WEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
69 PERCENT. WEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 60S. MINIMUM RH 64 PERCENT. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 60S. MINIMUM RH 57 PERCENT. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 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.
TNZ070-222030-
JEFFERSON-
INCLUDING THE CITIES OF JEFFERSON CITY, STRAWBERRY PLAINS,
CHESTNUT HILL, DANDRIDGE, AND WHITE PINE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 25-30 (-6) 52-57 (+4) 37-42 57-62
RH % (24H TREND) 69-74 (-10) 26-31 (+12) 74-79 57-62
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 9
PM 20FT WND (MPH) NE 5 LGT/VAR LGT/VAR SW 10
TRANSPORT WND (MPH) E 9 S 3 S 5 W 21
MIXING HGT(FT-AGL) 260 1050 140 2460
VENT RATE (MPH-FT) 2340 3150 700 51660
MAX DISPERSION EARLY 4 VERY POOR 3 VERY POOR 2 VERY POOR 38 FAIR
MAX DISPERSION LATE 4 VERY POOR 3 VERY POOR 3 VERY POOR 45 GEN GOOD
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
73 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 60S. MINIMUM RH 68 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 60S. MINIMUM RH 60 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 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.
TNZ035-222030-
MORGAN-
INCLUDING THE CITIES OF PINE ORCHARD, HIGH POINT, AND PETROS
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 27-32 (-6) 50-55 (+3) 41-46 56-61
RH % (24H TREND) 58-63 (-18) 26-31 (+12) 71-76 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 7 SW 18
PM 20FT WND (MPH) NE 9 S 10 S 21 SW 7
TRANSPORT WND (MPH) E 8 S 16 S 16 SW 14
MIXING HGT(FT-AGL) 180 1870 790 1840
VENT RATE (MPH-FT) 1440 29920 12640 25760
MAX DISPERSION EARLY 4 VERY POOR 22 FAIR 23 FAIR 24 FAIR
MAX DISPERSION LATE 3 VERY POOR 31 FAIR 24 FAIR 23 FAIR
CATEGORY DAY 1 2 1 2
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
80 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
68 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
64 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 60 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ012-222030-
SCOTT TN-
INCLUDING THE CITIES OF BIG SOUTH FORK NATIONAL, ONEIDA,
SMOKEY JUNCTION, ELGIN, HUNTSVILLE, NORMA, AND SLICK ROCK
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 27-32 (-6) 51-56 (+6) 41-46 55-60
RH % (24H TREND) 57-62 (-14) 25-30 (+7) 72-77 53-58
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 6 SW 16
PM 20FT WND (MPH) NE 7 S 10 S 19 SW 6
TRANSPORT WND (MPH) SE 9 S 17 S 18 SW 16
MIXING HGT(FT-AGL) 200 2150 850 2280
VENT RATE (MPH-FT) 1800 36550 15300 36480
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 26 FAIR 32 FAIR
MAX DISPERSION LATE 3 VERY POOR 35 FAIR 29 FAIR 34 FAIR
CATEGORY DAY 1 3 2 3
MAX LVORI EARLY 3 2 2 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 40 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 80 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
70 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 73 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 63 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 60 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ013-222030-
CAMPBELL-
INCLUDING THE CITIES OF FINCASTLE, LA FOLLETTE, ELK VALLEY,
JELLICO, WHITE OAK, CARYVILLE, AND ROYAL BLUE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
TEMP (24H TREND) 27-32 (-6) 49-54 (+5) 40-45 54-59
RH % (24H TREND) 56-61 (-15) 27-32 (+10) 69-74 52-57
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 6 SW 17
PM 20FT WND (MPH) NE 8 S 8 S 19 SW 7
TRANSPORT WND (MPH) E 8 S 14 S 15 SW 14
MIXING HGT(FT-AGL) 80 1980 480 2250
VENT RATE (MPH-FT) 640 27720 7200 31500
MAX DISPERSION EARLY 3 VERY POOR 13 GEN POOR 18 GEN POOR 27 FAIR
MAX DISPERSION LATE 3 VERY POOR 26 FAIR 20 GEN POOR 27 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 2 2 3
MAX LVORI LATE 2 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. MINIMUM RH 81 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTH WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
72 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. MINIMUM RH 64 PERCENT. SOUTHWEST WINDS LESS
THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 61 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ014-222030-
CLAIBORNE-
INCLUDING THE CITIES OF LONE MOUNTAIN, SANDLICK, SPRINGDALE,
ARTHUR, HARROGATE-SHAWANEE, CLAIRFIELD, AND HOWARD QUARTER
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 24-29 (-5) 50-55 (+4) 37-42 54-59
RH % (24H TREND) 63-68 (-17) 24-29 (+10) 70-75 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 11 G18
PM 20FT WND (MPH) NE 5 S 5 S 11 SW 7
TRANSPORT WND (MPH) E 8 S 9 S 10 SW 15
MIXING HGT(FT-AGL) 150 1420 190 1940
VENT RATE (MPH-FT) 1200 12780 1900 29100
MAX DISPERSION EARLY 3 VERY POOR 8 POOR 11 POOR 29 FAIR
MAX DISPERSION LATE 3 VERY POOR 12 POOR 18 GEN POOR 25 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
80 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
72 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 64 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 59 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ037-222030-
UNION-
INCLUDING THE CITIES OF MAYNARDVILLE, NORRIS LAKE, PAULETTE,
ROSE HILL, SHARPS CHAPEL, AND LUTTRELL
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 26-31 (-5) 51-56 (+3) 39-44 55-60
RH % (24H TREND) 60-65 (-21) 26-31 (+13) 64-69 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 11
PM 20FT WND (MPH) NE 7 LGT/VAR S 6 SW 8
TRANSPORT WND (MPH) E 8 S 9 SW 10 SW 15
MIXING HGT(FT-AGL) 200 1290 280 1990
VENT RATE (MPH-FT) 1600 11610 2800 29850
MAX DISPERSION EARLY 3 VERY POOR 5 VERY POOR 13 GEN POOR 35 FAIR
MAX DISPERSION LATE 3 VERY POOR 11 POOR 17 GEN POOR 30 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 2 2 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
77 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
68 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 72 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
61 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ036-222030-
ANDERSON-
INCLUDING THE CITIES OF OAK RIDGE AND CLINTON
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 28-33 (-4) 50-55 (+2) 40-45 55-60
RH % (24H TREND) 61-66 (-17) 28-33 (+16) 63-68 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 6 SW 20
PM 20FT WND (MPH) NE 10 SW 8 SW 20 SW 8
TRANSPORT WND (MPH) NE 8 SW 13 SW 14 SW 18
MIXING HGT(FT-AGL) 170 1620 370 1890
VENT RATE (MPH-FT) 1360 21060 5180 34020
MAX DISPERSION EARLY 4 VERY POOR 8 POOR 17 GEN POOR 34 FAIR
MAX DISPERSION LATE 4 VERY POOR 19 GEN POOR 19 GEN POOR 29 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 2 4
PRECIP CHANCE (%) 0 0 30 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
68 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 73 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ069-222030-
KNOX-
INCLUDING THE CITIES OF BEARDEN, KNOXVILLE, AND LAKE FOREST
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 26-31 (-4) 52-57 (+3) 40-45 56-61
RH % (24H TREND) 66-71 (-18) 29-34 (+16) 66-71 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 10
PM 20FT WND (MPH) NE 5 LGT/VAR SW 8 SW 10
TRANSPORT WND (MPH) NE 8 SW 8 SW 10 SW 21
MIXING HGT(FT-AGL) 260 1150 310 2300
VENT RATE (MPH-FT) 2080 9200 3100 48300
MAX DISPERSION EARLY 4 VERY POOR 4 VERY POOR 9 POOR 42 GEN GOOD
MAX DISPERSION LATE 4 VERY POOR 8 POOR 12 POOR 36 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 2 2 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
74 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. MINIMUM RH 69 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 60S. MINIMUM RH 60 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 58 PERCENT. WEST WINDS 5 TO 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.
TNZ073-222030-
NORTH SEVIER-
INCLUDING THE CITIES OF HARRISBURG, KODAK, MCMAHAN, SEVIERVILLE,
SEYMOUR, AND PIGEON FORGE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 26-31 (-4) 53-58 (+4) 38-43 57-62
RH % (24H TREND) 70-75 (-8) 25-30 (+11) 77-82 57-62
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) NE 5 SW 11
PM 20FT WND (MPH) E 8 NW 5 S 9 SW 11
TRANSPORT WND (MPH) E 6 SW 5 S 7 W 18
MIXING HGT(FT-AGL) 270 1370 230 2800
VENT RATE (MPH-FT) 1620 6850 1610 50400
MAX DISPERSION EARLY 4 VERY POOR 4 VERY POOR 3 VERY POOR 40 FAIR
MAX DISPERSION LATE 4 VERY POOR 5 VERY POOR 4 VERY POOR 44 GEN GOOD
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE MID 60S. MINIMUM RH 67 PERCENT. SOUTHWEST WINDS LESS THAN
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 59 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 60S. MINIMUM RH 64 PERCENT. SOUTHWEST WINDS 5 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 60S. MINIMUM RH 56 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 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.
TNZ067-222030-
ROANE-
INCLUDING THE CITIES OF HARRIMAN, EAGLE FURNACE, ROCKWOOD,
BRADBURY, FAIRVIEW, KINGSTON, AND OLIVER SPRINGS
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 27-32 (-4) 53-58 (+3) 41-46 57-62
RH % (24H TREND) 66-71 (-14) 26-31 (+15) 62-67 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 8
PM 20FT WND (MPH) NE 5 SW 6 SW 11 SW 7
TRANSPORT WND (MPH) E 7 S 14 S 13 SW 18
MIXING HGT(FT-AGL) 300 1830 640 1890
VENT RATE (MPH-FT) 2100 25620 8320 34020
MAX DISPERSION EARLY 5 VERY POOR 14 GEN POOR 16 GEN POOR 31 FAIR
MAX DISPERSION LATE 5 VERY POOR 26 FAIR 18 GEN POOR 28 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 2 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE SHOWERS NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH 76 PERCENT.
SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH 71 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
62 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 58 PERCENT. NORTHWEST 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.
TNZ068-222030-
LOUDON-
INCLUDING THE CITIES OF LENOIR CITY AND LOUDON
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 26-31 (-6) 54-59 (+3) 41-46 58-63
RH % (24H TREND) 72-77 (-5) 24-29 (+12) 62-67 48-53
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 9
PM 20FT WND (MPH) NE 5 LGT/VAR SW 8 SW 9
TRANSPORT WND (MPH) NE 7 S 14 S 13 SW 21
MIXING HGT(FT-AGL) 290 2050 530 2150
VENT RATE (MPH-FT) 2030 28700 6890 45150
MAX DISPERSION EARLY 5 VERY POOR 7 POOR 12 POOR 38 FAIR
MAX DISPERSION LATE 5 VERY POOR 26 FAIR 15 GEN POOR 36 FAIR
CATEGORY DAY 1 2 1 3
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 3 2 2 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
72 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 61 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 60S. MINIMUM RH 68 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ071-222030-
NORTHWEST BLOUNT-
INCLUDING THE CITIES OF HAPPY VALLEY, MARYVILLE, AND ALCOA
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 27-32 (-6) 54-59 (+4) 40-45 58-63
RH % (24H TREND) 71-76 (-3) 26-31 (+11) 73-78 54-59
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 11
PM 20FT WND (MPH) NE 7 SW 7 S 12 SW 11
TRANSPORT WND (MPH) E 6 SW 7 S 9 SW 18
MIXING HGT(FT-AGL) 240 1390 330 2570
VENT RATE (MPH-FT) 1440 9730 2970 46260
MAX DISPERSION EARLY 5 VERY POOR 5 VERY POOR 7 POOR 41 GEN GOOD
MAX DISPERSION LATE 4 VERY POOR 10 POOR 7 POOR 38 FAIR
CATEGORY DAY 1 1 1 3
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
72 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 61 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 60S. MINIMUM RH 69 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 60S. MINIMUM RH 60 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 62 PERCENT. WEST WINDS 5 TO 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.
TNZ086-222030-
NORTHWEST MONROE-
INCLUDING THE CITIES OF SWEETWATER, MADISONVILLE,
AND BULLET CREEK
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 27-32 (-6) 56-61 (+5) 42-47 59-64
RH % (24H TREND) 74-79 (0) 19-24 (+5) 67-72 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 8
PM 20FT WND (MPH) NE 7 S 6 S 10 SW 8
TRANSPORT WND (MPH) E 5 S 15 S 14 SW 18
MIXING HGT(FT-AGL) 250 2410 610 2210
VENT RATE (MPH-FT) 1250 36150 8540 39780
MAX DISPERSION EARLY 6 VERY POOR 18 GEN POOR 14 GEN POOR 36 FAIR
MAX DISPERSION LATE 3 VERY POOR 33 FAIR 17 GEN POOR 36 FAIR
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 2 2 3
PRECIP CHANCE (%) 0 0 20 0
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.01 0.00
PRECIP BEGIN 1 AM
PRECIP END CONTINUING
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
68 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 57 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
66 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
58 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ083-222030-
RHEA-
INCLUDING THE CITIES OF DAYTON, EVENSVILLE, OLD WASHINGTON,
GRANDVIEW, AND SPRING CITY
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 28-33 (-5) 52-57 (+2) 41-46 59-64
RH % (24H TREND) 66-71 (-19) 25-30 (+11) 62-67 47-52
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 5 SW 10 G19
PM 20FT WND (MPH) NE 7 S 8 S 13 G21 SW 6
TRANSPORT WND (MPH) NE 7 S 15 SW 15 SW 14
MIXING HGT(FT-AGL) 150 1980 760 1820
VENT RATE (MPH-FT) 1050 29700 11400 25480
MAX DISPERSION EARLY 7 POOR 15 GEN POOR 20 GEN POOR 24 FAIR
MAX DISPERSION LATE 6 VERY POOR 30 FAIR 20 GEN POOR 23 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 2 4
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 65 PERCENT.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
74 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
64 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 61 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ084-222030-
MEIGS-
INCLUDING THE CITY OF BIG SPRING
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
TEMP (24H TREND) 27-32 (-4) 54-59 (+2) 42-47 60-65
RH % (24H TREND) 72-77 (-14) 21-26 (+9) 59-64 44-49
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 7
PM 20FT WND (MPH) NE 6 S 7 S 8 SW 7
TRANSPORT WND (MPH) NE 7 S 15 S 13 SW 15
MIXING HGT(FT-AGL) 300 2010 770 1880
VENT RATE (MPH-FT) 2100 30150 10010 28200
MAX DISPERSION EARLY 6 VERY POOR 13 GEN POOR 17 GEN POOR 29 FAIR
MAX DISPERSION LATE 5 VERY POOR 29 FAIR 18 GEN POOR 28 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 4 2 3
MAX LVORI LATE 3 2 2 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. LIGHT AND VARIABLE WIND.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
72 PERCENT. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH 68 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
59 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 57 PERCENT. NORTHWEST 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.
TNZ085-222030-
MCMINN-
INCLUDING THE CITIES OF ATHENS, CLEAR WATER, DENTVILLE,
AND ETOWAH
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
TEMP (24H TREND) 26-31 (-3) 56-61 (+4) 42-47 60-65
RH % (24H TREND) 74-79 (-13) 19-24 (+7) 61-66 45-50
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) LGT/VAR SW 9
PM 20FT WND (MPH) NE 7 S 7 S 11 SW 8
TRANSPORT WND (MPH) NE 6 S 15 S 13 SW 16
MIXING HGT(FT-AGL) 230 2040 600 1960
VENT RATE (MPH-FT) 1380 30600 7800 31360
MAX DISPERSION EARLY 7 POOR 17 GEN POOR 13 GEN POOR 30 FAIR
MAX DISPERSION LATE 4 VERY POOR 27 FAIR 16 GEN POOR 29 FAIR
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 2 4 2 3
MAX LVORI LATE 4 2 2 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
67 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
56 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
57 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 55 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ099-222030-
HAMILTON-
INCLUDING THE CITIES OF CHATTANOOGA, LOOKOUT MOUNTAIN,
AND SIGNAL MOUNTAIN
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
TEMP (24H TREND) 31-36 (-1) 54-59 (+2) 44-49 61-66
RH % (24H TREND) 68-73 (-15) 19-24 (+4) 58-63 41-46
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) E 7 S 8
PM 20FT WND (MPH) NE 11 S 9 S 11 SW 7
TRANSPORT WND (MPH) NE 6 S 21 S 12 SW 13
MIXING HGT(FT-AGL) 160 2080 530 1910
VENT RATE (MPH-FT) 960 43680 6360 24830
MAX DISPERSION EARLY 9 POOR 24 FAIR 16 GEN POOR 21 FAIR
MAX DISPERSION LATE 5 VERY POOR 38 FAIR 15 GEN POOR 22 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 2
MAX LVORI LATE 3 2 2 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE SHOWERS NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
71 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
59 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
70 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
60 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 58 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ100-222030-
BRADLEY-
INCLUDING THE CITIES OF CLEVELAND AND TASSO
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
TEMP (24H TREND) 28-33 (-5) 56-61 (+3) 43-48 61-66
RH % (24H TREND) 74-79 (-2) 18-23 (+6) 59-64 41-46
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) W 6 S 8
PM 20FT WND (MPH) N 8 S 9 S 11 SW 7
TRANSPORT WND (MPH) NE 3 S 17 S 13 SW 14
MIXING HGT(FT-AGL) 230 2020 720 1910
VENT RATE (MPH-FT) 690 34340 9360 26740
MAX DISPERSION EARLY 8 POOR 14 GEN POOR 15 GEN POOR 24 FAIR
MAX DISPERSION LATE 3 VERY POOR 32 FAIR 17 GEN POOR 25 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 4 2 2
MAX LVORI LATE 4 2 2 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 50. SOUTH WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
54 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
62 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS AROUND 70. MINIMUM RH
55 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
COOLER. LOWS IN THE MID 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 54 PERCENT. NORTHWEST WINDS 5 TO
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.
TNZ101-222030-
WEST POLK-
INCLUDING THE CITIES OF CONASAUGA, ARCHVILLE, BENTON, PARKSVILLE,
AND RELIANCE
220 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
TEMP (24H TREND) 30-35 (-3) 56-61 (+3) 43-48 60-65
RH % (24H TREND) 67-72 (-8) 17-22 (+4) 63-68 44-49
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 5 S 8
PM 20FT WND (MPH) NE 7 S 8 S 11 SW 7
TRANSPORT WND (MPH) E 6 S 14 SE 12 SW 14
MIXING HGT(FT-AGL) 230 2210 560 2110
VENT RATE (MPH-FT) 1380 30940 6720 29540
MAX DISPERSION EARLY 7 POOR 19 GEN POOR 12 POOR 27 FAIR
MAX DISPERSION LATE 3 VERY POOR 30 FAIR 14 GEN POOR 27 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 3 3
PRECIP CHANCE (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP BEGIN
PRECIP END
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
62 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
53 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
55 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 50S. MINIMUM RH 54 PERCENT. NORTHWEST 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.
TNZ082-222030-
BLEDSOE-
INCLUDING THE CITIES OF OLD CUMBERLAND, PALIO, MELVINE,
MOUNT CREST, PIKEVILLE, AND BRAYTON
120 PM CST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 29-34 (-5) 50-55 (+1) 41-46 58-63
RH % (24H TREND) 58-63 (-24) 25-30 (+11) 66-71 50-55
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 6 SW 12
PM 20FT WND (MPH) NE 7 S 11 S 16 SW 7
TRANSPORT WND (MPH) E 10 S 21 S 16 SW 14
MIXING HGT(FT-AGL) 1810 530 1990
VENT RATE (MPH-FT) 0 38010 8480 27860
MAX DISPERSION EARLY 3 VERY POOR 24 FAIR 19 GEN POOR 23 FAIR
MAX DISPERSION LATE 3 VERY POOR 32 FAIR 18 GEN POOR 26 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 2 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
79 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
75 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
63 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 61 PERCENT. NORTHWEST 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.
TNZ081-222030-
SEQUATCHIE-
INCLUDING THE CITIES OF CAGLE, DUNLAP, CARTWRIGHT, AND LONE OAK
120 PM CST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 30-35 (-3) 50-55 (0) 42-47 57-62
RH % (24H TREND) 58-63 (-26) 25-30 (+9) 66-71 49-54
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 6 SW 11 G18
PM 20FT WND (MPH) NE 7 S 10 G17 S 13 SW 6
TRANSPORT WND (MPH) E 10 S 21 SW 14 SW 16
MIXING HGT(FT-AGL) 1810 260 1780
VENT RATE (MPH-FT) 0 38010 3640 28480
MAX DISPERSION EARLY 3 VERY POOR 25 FAIR 15 GEN POOR 23 FAIR
MAX DISPERSION LATE 2 VERY POOR 29 FAIR 16 GEN POOR 24 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 2 3 4
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
66 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
78 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
66 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE LOWER 50S. MINIMUM RH 63 PERCENT. NORTHWEST 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.
TNZ098-222030-
MARION-
INCLUDING THE CITIES OF SOUTH PITTSBURG, HALETOWN (GUILD),
JASPER, MARTIN SPRINGS, WHITWELL, POWELLS CROSSROADS,
AND MONTEAGLE
120 PM CST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
TEMP (24H TREND) 33-38 (+1) 51-56 (0) 44-49 58-63
RH % (24H TREND) 56-61 (-33) 24-29 (+5) 62-67 46-51
RH RECOVERY EXCELLENT EXCELLENT
AM 20FT WND (MPH) SE 8 S 8
PM 20FT WND (MPH) NE 10 SE 8 S 11 SW 5
TRANSPORT WND (MPH) E 8 S 18 S 8 SW 13
MIXING HGT(FT-AGL) 70 1840 160 1880
VENT RATE (MPH-FT) 560 33120 1280 24440
MAX DISPERSION EARLY 5 VERY POOR 25 FAIR 11 POOR 18 GEN POOR
MAX DISPERSION LATE 5 VERY POOR 29 FAIR 11 POOR 21 FAIR
CATEGORY DAY 1 3 1 2
MAX LVORI EARLY 2 2 2 3
MAX LVORI LATE 2 2 3 3
PRECIP CHANCE (%) 0 0 20 20
PRECIP TYPE NONE NONE SHOWERS SHOWERS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.01 0.01
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
CHANCE OF THUNDER (%) 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
75 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. MINIMUM RH
75 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTHWEST WINDS LESS THAN 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. SOUTHWEST WINDS LESS THAN 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE MID 50S. MINIMUM RH 60 PERCENT. NORTHWEST WINDS 5 TO
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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