115
FNUS54 KMEG 190830
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT WED AUG 19 2026
DISCUSSION
FIRE DANGER POTENTIAL REMAINS LOW AS 20 FT WINDS REMAIN LIGHT,
BUT MINIMUM RELATIVE HUMIDITY VALUES COULD LOCALLY DROP BELOW 40%
WEDNESDAY AFTERNOON ACROSS PORTIONS OF EAST ARKANSAS AND
NORTHWEST MISSISSIPPI. FOG POTENTIAL REMAINS LOW (<10%) DUE TO
DRY SOILS. WETTING RAIN CHANCES INCREASE WEDNESDAY NIGHT INTO
THURSDAY MORNING AS A COLD FRONT MOVES SOUTH INTO THE AREA. SOME
THUNDERSTORMS ARE POSSIBLE DURING THIS TIME, WHICH WILL BE
ACCOMPANIED BY A CHANCE FOR DAMAGING WINDS AND HEAVY RAINFALL.
ARZ009-018-026>028-MOZ113-115-192100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
CHANCE OF THUNDER (%) 20 50 40
PRECIP CHANCE (%) 30 50 40
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.02 0.09 0.03
PRECIP DURATION (HRS) 1 2 1
PRECIP BEGIN 7 AM 7 PM CONTINUING
PRECIP END 1 PM CONTINUING 1 PM
TEMP (24H TREND) 100 (+8) 72 (+1) 92
RH % (24H TREND) 39 (-10) 100 (+5) 56
AM WIND 20FT (MPH) E 4 NE 4
PM WIND 20FT (MPH) SE 5 SE 5 LGT/VAR
MIXING HGT(M-AGL) 1300 1200
MIXING HGT(FT-AGL) 4100 3800
MIXING HGT(M-MSL) 1300 1200
MIXING HGT(FT-MSL) 4400 4000
TRANSPORT WND (M/S) S 6 N 4
TRANSPORT WND (MPH) S 13 N 8
VENT INDEX (M2/S) 7800 4800
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 88 84
500M TSPT WIND (M/S) SE 8 N 5
500M TSPT WIND (MPH) SE 18 N 11
DISPERSION INDEX 23 9 21
STABILITY CLASS B E B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 53 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. EAST WINDS AROUND
5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
50 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
48 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 43 PERCENT.
EAST WINDS 5 TO 10 MPH.
ARZ035-036-048-049-058-192100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 20
PRECIP CHANCE (%) 10 20
PRECIP TYPE NONE NONE TSTMS
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 AM
PRECIP END 1 PM
TEMP (24H TREND) 103 (+9) 76 (+1) 98
RH % (24H TREND) 33 (-20) 87 (-6) 43
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR S 4 LGT/VAR
MIXING HGT(M-AGL) 2100 1200
MIXING HGT(FT-AGL) 7000 3800
MIXING HGT(M-MSL) 2200 1200
MIXING HGT(FT-MSL) 7200 4000
TRANSPORT WND (M/S) SW 5 NW 3
TRANSPORT WND (MPH) SW 10 NW 7
VENT INDEX (M2/S) 11000 3600
CATEGORY DAY 4 2
500M MIX HGT TEMP (F) 96 92
500M TSPT WIND (M/S) SW 4 W 6
500M TSPT WIND (MPH) SW 10 W 13
DISPERSION INDEX 27 12 17
STABILITY CLASS B F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS IN THE
MID 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 46 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
CLEAR. LOWS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 40 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
41 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
42 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 38 PERCENT.
WEST WINDS AROUND 5 MPH.
TNZ001>004-019>022-192100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 20 50 50
PRECIP CHANCE (%) 40 70 50
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.09 0.25 0.06
PRECIP DURATION (HRS) 1 3 1
PRECIP BEGIN 7 AM 7 PM CONTINUING
PRECIP END 1 PM CONTINUING 4 PM
TEMP (24H TREND) 96 (+6) 71 (+4) 90
RH % (24H TREND) 48 (+2) 100 (+7) 63
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) SE 4 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 700 1000
MIXING HGT(FT-AGL) 2300 3200
MIXING HGT(M-MSL) 800 1100
MIXING HGT(FT-MSL) 2700 3600
TRANSPORT WND (M/S) S 6 NW 4
TRANSPORT WND (MPH) S 13 NW 8
VENT INDEX (M2/S) 4800 4400
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 84 84
500M TSPT WIND (M/S) SE 7 NW 6
500M TSPT WIND (MPH) SE 15 NW 13
DISPERSION INDEX 21 9 19
STABILITY CLASS B E B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 59 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 52 PERCENT.
NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
52 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE UPPER
80S. MINIMUM RH 52 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 48 PERCENT.
SOUTHEAST WINDS 5 TO 10 MPH.
TNZ048>055-088>091-192100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 20 20
PRECIP CHANCE (%) 10 40 30
PRECIP TYPE NONE TSTMS TSTMS
PRECIP AMOUNT 0.00 0.06 0.03
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 4 PM
TEMP (24H TREND) 99 (+7) 73 (+3) 93
RH % (24H TREND) 41 (-9) 96 (+1) 55
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1200 1000
MIXING HGT(FT-AGL) 3800 3300
MIXING HGT(M-MSL) 1300 1100
MIXING HGT(FT-MSL) 4200 3700
TRANSPORT WND (M/S) S 4 NW 3
TRANSPORT WND (MPH) S 9 NW 7
VENT INDEX (M2/S) 5200 3300
CATEGORY DAY 3 2
500M MIX HGT TEMP (F) 89 90
500M TSPT WIND (M/S) SE 6 W 7
500M TSPT WIND (MPH) SE 13 W 15
DISPERSION INDEX 26 11 20
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 56 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 48 PERCENT.
NORTHWEST 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 50 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
5 TO 10 MPH.
MONDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE LOWER
90S. MINIMUM RH 51 PERCENT. SOUTH 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 46 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
MSZ001-007-008-010>012-020-021-192100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
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) 102 (+4) 77 (+3) 99
RH % (24H TREND) 36 (-12) 85 (-10) 43
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR S 4 LGT/VAR
MIXING HGT(M-AGL) 2200 1600
MIXING HGT(FT-AGL) 7400 5400
MIXING HGT(M-MSL) 2300 1700
MIXING HGT(FT-MSL) 7600 5600
TRANSPORT WND (M/S) W 4 W 3
TRANSPORT WND (MPH) W 8 W 7
VENT INDEX (M2/S) 9200 5100
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 95 95
500M TSPT WIND (M/S) W 4 W 6
500M TSPT WIND (MPH) W 9 W 13
DISPERSION INDEX 28 11 23
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE MID 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 40 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 41 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
43 PERCENT. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 40 PERCENT.
WEST WINDS AROUND 5 MPH.
MSZ002>006-009-013>017-022>024-192100-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 AM CDT WED AUG 19 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 10 20
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 100 (+5) 75 (+3) 98
RH % (24H TREND) 37 (-15) 90 (-9) 44
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1500 1200
MIXING HGT(FT-AGL) 5000 4100
MIXING HGT(M-MSL) 1700 1400
MIXING HGT(FT-MSL) 5400 4500
TRANSPORT WND (M/S) N 3 W 3
TRANSPORT WND (MPH) N 7 W 7
VENT INDEX (M2/S) 5100 4200
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 91 94
500M TSPT WIND (M/S) NW 3 W 6
500M TSPT WIND (MPH) NW 7 W 14
DISPERSION INDEX 23 9 23
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
52 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 43 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE LOWER
90S. MINIMUM RH 46 PERCENT. SOUTH 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 43 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
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