475
FNUS54 KMEG 200830
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT THU AUG 20 2026
DISCUSSION
AN OVERALL LOW FIRE WEATHER RISK WILL HOLD OVER THE NEXT THREE
DAYS. WHILE TEMPERATURES REMAIN HOT, LIGHT WINDS AND ADEQUATE
MOISTURE LEVELS WILL KEEP CRITICAL FIRE WEATHER CONDITIONS UNDER
CONTROL. RAINFALL THROUGH THURSDAY WILL RESULT IN THE DEVELOPMENT
OF FOG LATE THURSDAY NIGHT EAST OF THE MISSISSIPPI RIVER.
ARZ009-018-026>028-MOZ113-115-202100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 20 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 93 (+3) 70 (-4) 92
RH % (24H TREND) 56 (-5) 100 (+2) 51
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) N 5 NE 4 LGT/VAR
MIXING HGT(M-AGL) 1200 1400
MIXING HGT(FT-AGL) 4000 4600
MIXING HGT(M-MSL) 1300 1500
MIXING HGT(FT-MSL) 4200 4900
TRANSPORT WND (M/S) N 4 N 4
TRANSPORT WND (MPH) N 9 N 8
VENT INDEX (M2/S) 5200 6000
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 87 83
500M TSPT WIND (M/S) W 6 NE 3
500M TSPT WIND (MPH) W 13 NE 8
DISPERSION INDEX 22 7 22
STABILITY CLASS B F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
AREAS OF FOG. MOSTLY CLEAR. LOWS AROUND 70. EAST
WINDS AROUND 5 MPH.
SATURDAY
AREAS OF FOG. MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
MINIMUM RH 51 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 51 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER
80S. MINIMUM RH 53 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 49 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. EAST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
50 PERCENT. NORTH WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-202100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 10 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 100 (+3) 72 (-5) 97
RH % (24H TREND) 43 (-6) 100 (+16) 44
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1400 1700
MIXING HGT(FT-AGL) 4500 5700
MIXING HGT(M-MSL) 1400 1800
MIXING HGT(FT-MSL) 4700 5900
TRANSPORT WND (M/S) NW 4 N 4
TRANSPORT WND (MPH) NW 9 N 9
VENT INDEX (M2/S) 5600 7200
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 91 85
500M TSPT WIND (M/S) SW 6 NE 4
500M TSPT WIND (MPH) SW 13 NE 10
DISPERSION INDEX 28 7 22
STABILITY CLASS B F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
PATCHY FOG. SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
43 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
45 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS AROUND 90.
MINIMUM RH 47 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 44 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
46 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
TNZ001>004-019>022-202100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 30 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 92 (+7) 69 (-2) 91
RH % (24H TREND) 62 (-3) 100 (0) 52
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) NW 4 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1000 1400
MIXING HGT(FT-AGL) 3400 4700
MIXING HGT(M-MSL) 1200 1600
MIXING HGT(FT-MSL) 3800 5100
TRANSPORT WND (M/S) NW 4 N 4
TRANSPORT WND (MPH) NW 9 N 9
VENT INDEX (M2/S) 4800 6400
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 86 83
500M TSPT WIND (M/S) W 6 N 3
500M TSPT WIND (MPH) W 12 N 7
DISPERSION INDEX 23 6 25
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
AREAS OF FOG. CLEAR. LOWS IN THE UPPER 60S. NORTH
WINDS AROUND 5 MPH.
SATURDAY
AREAS OF FOG. SUNNY. HIGHS IN THE LOWER 90S. MINIMUM
RH 54 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 51 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
50 PERCENT. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. MINIMUM RH 50 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
50 PERCENT. WEST WINDS AROUND 5 MPH.
TNZ048>055-088>091-202100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 20 0 0
PRECIP CHANCE (%) 20 10
PRECIP TYPE TSTMS NONE NONE
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
TEMP (24H TREND) 95 (+4) 69 (-4) 92
RH % (24H TREND) 54 (-5) 100 (+5) 51
AM WIND 20FT (MPH) S 4 LGT/VAR
PM WIND 20FT (MPH) W 4 LGT/VAR N 4
MIXING HGT(M-AGL) 1200 1600
MIXING HGT(FT-AGL) 3900 5400
MIXING HGT(M-MSL) 1300 1800
MIXING HGT(FT-MSL) 4300 5800
TRANSPORT WND (M/S) W 5 N 4
TRANSPORT WND (MPH) W 10 N 9
VENT INDEX (M2/S) 6500 7200
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 88 83
500M TSPT WIND (M/S) W 5 N 3
500M TSPT WIND (MPH) W 11 N 7
DISPERSION INDEX 30 6 25
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
AREAS OF FOG. MOSTLY CLEAR. LOWS IN THE UPPER
60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
AREAS OF FOG. SUNNY. HIGHS IN THE LOWER 90S. MINIMUM
RH 49 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 51 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
50 PERCENT. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 49 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-202100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 20 20 0
PRECIP CHANCE (%) 30 20
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.03 0.03 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 11 PM
TEMP (24H TREND) 100 (-1) 72 (-4) 97
RH % (24H TREND) 43 (0) 100 (+14) 43
AM WIND 20FT (MPH) SW 4 LGT/VAR
PM WIND 20FT (MPH) W 4 LGT/VAR N 4
MIXING HGT(M-AGL) 1500 1800
MIXING HGT(FT-AGL) 5000 5900
MIXING HGT(M-MSL) 1600 1900
MIXING HGT(FT-MSL) 5200 6100
TRANSPORT WND (M/S) W 5 N 4
TRANSPORT WND (MPH) W 12 N 9
VENT INDEX (M2/S) 8000 7600
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 92 86
500M TSPT WIND (M/S) SW 5 NE 3
500M TSPT WIND (MPH) SW 10 NE 7
DISPERSION INDEX 34 6 22
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PATCHY FOG. MOSTLY CLEAR. LOWS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
AREAS OF FOG. SUNNY. HIGHS IN THE UPPER 90S. MINIMUM
RH 41 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
45 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
46 PERCENT. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 45 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 46 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
MSZ002>006-009-013>017-022>024-202100-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 AM CDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 30 40 0
PRECIP CHANCE (%) 30 40
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.04 0.07 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 5 AM
TEMP (24H TREND) 99 (+2) 71 (-4) 95
RH % (24H TREND) 43 (-6) 100 (+10) 44
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) SW 4 LGT/VAR N 4
MIXING HGT(M-AGL) 1300 1700
MIXING HGT(FT-AGL) 4300 5700
MIXING HGT(M-MSL) 1400 1900
MIXING HGT(FT-MSL) 4700 6100
TRANSPORT WND (M/S) W 5 NW 4
TRANSPORT WND (MPH) W 12 NW 9
VENT INDEX (M2/S) 7000 7600
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 89 84
500M TSPT WIND (M/S) W 4 W 3
500M TSPT WIND (MPH) W 9 W 7
DISPERSION INDEX 29 5 22
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
AREAS OF FOG. MOSTLY CLEAR. LOWS IN THE UPPER
60S. NORTH WINDS AROUND 5 MPH.
SATURDAY
AREAS OF FOG. SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
41 PERCENT. NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
A CHANCE OF SHOWERS. SUNNY. HIGHS IN THE LOWER 90S.
MINIMUM RH 46 PERCENT. SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 47 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
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