377
FNUS54 KMEG 232031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT SUN AUG 23 2026
DISCUSSION
MINIMUM RELATIVE HUMIDITY WILL AVERAGE 35 TO 45 PERCENT TODAY.
RAIN CHANCES INCREASE TONIGHT INTO MONDAY MORNING. FOG SHOULD NOT
BE A CONCERN DUE TO ADVANCING CLOUD COVER AND ELEVATED SURFACE
WINDS. RELATIVE HUMIDITY WILL REMAIN HIGH AS RAIN CHANCES PERSIST
THROUGH MOST OF THE WEEK.
ARZ009-018-026>028-MOZ113-115-240900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 20 0 10
PRECIP CHANCE (%) 10 40 10 10
PRECIP TYPE NONE TSTMS NONE TSTMS
PRECIP AMOUNT 0.00 0.13 0.00 0.01
PRECIP DURATION (HRS) 2 1
PRECIP BEGIN 6 AM 6 AM
PRECIP END 4 PM 1 PM
TEMP (24H TREND) 69 (+1) 85 (-5) 68 91
RH % (24H TREND) 83 (-16) 57 (+16) 96 53
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR E 4
MIXING HGT(M-AGL) 800 1500
MIXING HGT(FT-AGL) 2800 4800
MIXING HGT(M-MSL) 900 1500
MIXING HGT(FT-MSL) 3000 5100
TRANSPORT WND (M/S) S 3 SE 4
TRANSPORT WND (MPH) S 6 SE 8
VENT INDEX (M2/S) 2700 6000
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 82 82
500M TSPT WIND (M/S) E 4 E 5
500M TSPT WIND (MPH) E 10 E 12
DISPERSION INDEX 7 13 8 25
STABILITY CLASS E B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
58 PERCENT. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 45 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 46 PERCENT.
SOUTH WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-240900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 0 20 20 20
PRECIP CHANCE (%) 10 60 30 30
PRECIP TYPE NONE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.00 0.26 0.06 0.02
PRECIP DURATION (HRS) 2 1 1
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 4 PM CONTINUING 1 PM
TEMP (24H TREND) 70 (0) 89 (-4) 69 95
RH % (24H TREND) 81 (-17) 59 (+18) 100 53
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 500 1400
MIXING HGT(FT-AGL) 1700 4500
MIXING HGT(M-MSL) 600 1400
MIXING HGT(FT-MSL) 1900 4700
TRANSPORT WND (M/S) SE 4 S 4
TRANSPORT WND (MPH) SE 8 S 9
VENT INDEX (M2/S) 2400 5600
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 84 86
500M TSPT WIND (M/S) SE 5 SE 4
500M TSPT WIND (MPH) SE 11 SE 8
DISPERSION INDEX 10 12 8 24
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE MID 90S. MINIMUM RH 56 PERCENT. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
48 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 44 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 45 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TNZ001>004-019>022-240900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 10 10 10
PRECIP TYPE NONE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 64 (-1) 86 (-2) 64 90
RH % (24H TREND) 89 (-10) 45 (+2) 88 46
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1300 1500
MIXING HGT(FT-AGL) 4300 5000
MIXING HGT(M-MSL) 1400 1700
MIXING HGT(FT-MSL) 4700 5400
TRANSPORT WND (M/S) NW 2 E 3
TRANSPORT WND (MPH) NW 5 E 6
VENT INDEX (M2/S) 2800 5100
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 79 79
500M TSPT WIND (M/S) NE 4 E 3
500M TSPT WIND (MPH) NE 8 E 8
DISPERSION INDEX 6 12 8 20
STABILITY CLASS F B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
57 PERCENT. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
50 PERCENT. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 90. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 45 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
46 PERCENT. SOUTH WINDS AROUND 5 MPH.
TNZ048>055-088>091-240900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20 20 20
PRECIP TYPE NONE SHOWERS NONE SHOWERS
PRECIP AMOUNT 0.00 0.04 0.00 0.02
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 8 AM 7 AM
PRECIP END 6 PM 1 PM
TEMP (24H TREND) 66 (-2) 87 (-3) 66 91
RH % (24H TREND) 85 (-14) 46 (+3) 93 49
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1100 1600
MIXING HGT(FT-AGL) 3700 5200
MIXING HGT(M-MSL) 1200 1700
MIXING HGT(FT-MSL) 4100 5600
TRANSPORT WND (M/S) NW 3 SE 3
TRANSPORT WND (MPH) NW 6 SE 7
VENT INDEX (M2/S) 3600 5100
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 82 83
500M TSPT WIND (M/S) E 3 E 3
500M TSPT WIND (MPH) E 7 E 8
DISPERSION INDEX 7 15 8 19
STABILITY CLASS F B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
LOWER 70S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 60 PERCENT. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
52 PERCENT. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 46 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-240900-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 0 50 20 20
PRECIP CHANCE (%) 50 40 40
PRECIP TYPE NONE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.00 0.22 0.09 0.04
PRECIP DURATION (HRS) 2 1 1
PRECIP BEGIN 7 AM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 1 PM
TEMP (24H TREND) 70 (0) 90 (-4) 69 94
RH % (24H TREND) 81 (-17) 55 (+13) 100 54
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 800 1400
MIXING HGT(FT-AGL) 2700 4600
MIXING HGT(M-MSL) 900 1500
MIXING HGT(FT-MSL) 2900 4900
TRANSPORT WND (M/S) NW 3 SW 4
TRANSPORT WND (MPH) NW 7 SW 8
VENT INDEX (M2/S) 2700 6000
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 86 85
500M TSPT WIND (M/S) E 5 S 3
500M TSPT WIND (MPH) E 11 S 7
DISPERSION INDEX 9 17 8 22
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE MID 90S. MINIMUM RH 57 PERCENT. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
51 PERCENT. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 46 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 46 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MSZ002>006-009-013>017-022>024-240900-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 PM CDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 0 20 0 20
PRECIP CHANCE (%) 30 20 40
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
PRECIP AMOUNT 0.00 0.06 0.32 0.10
PRECIP DURATION (HRS) 1 1 1
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
TEMP (24H TREND) 68 (-1) 91 (-1) 68 93
RH % (24H TREND) 82 (-17) 45 (+3) 95 52
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1300 1600
MIXING HGT(FT-AGL) 4200 5300
MIXING HGT(M-MSL) 1400 1700
MIXING HGT(FT-MSL) 4600 5700
TRANSPORT WND (M/S) NW 3 W 3
TRANSPORT WND (MPH) NW 7 W 7
VENT INDEX (M2/S) 4200 5100
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 85 84
500M TSPT WIND (M/S) E 3 SE 3
500M TSPT WIND (MPH) E 8 SE 6
DISPERSION INDEX 7 15 6 21
STABILITY CLASS F B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 60 PERCENT. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 54 PERCENT. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 48 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 47 PERCENT.
SOUTH WINDS AROUND 5 MPH.
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