850
FNUS54 KMEG 212031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT TUE APR 21 2026
DISCUSSION
FIRE WEATHER DANGER WILL DECREASE ON WEDNESDAY AS WINDS RELAX AND
RELATIVE HUMIDITY GRADUALLY MODERATES INTO THE 30 TO 35% RANGE.
RELATIVE HUMIDITY WILL INCREASE FURTHER ON THURSDAY IN ADVANCE OF
AN APPROACHING COLD FRONT. MEDIUM TO HIGH CHANCES FOR WETTING
RAINFALL RETURNS FRIDAY THROUGH THE WEEKEND.
ARZ009-018-026>028-MOZ113-115-220900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20
PRECIP TYPE NONE NONE NONE SHOWERS
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
TEMP (24H TREND) 51 (0) 79 (0) 58 83
RH % (24H TREND) 83 (+5) 35 (+10) 80 42
AM WIND 20FT (MPH) SW 4 S 9 G20
PM WIND 20FT (MPH) SW 8 SW 9 G17 S 5 S 14 G23
MIXING HGT(M-AGL) 1900 1700
MIXING HGT(FT-AGL) 6400 5700
MIXING HGT(M-MSL) 2000 1800
MIXING HGT(FT-MSL) 6600 5900
TRANSPORT WND (M/S) SW 8 S 10
TRANSPORT WND (MPH) SW 17 S 23
VENT INDEX (M2/S) 16000 18000
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 67 73
500M TSPT WIND (M/S) SW 7 S 8
500M TSPT WIND (MPH) SW 16 S 19
DISPERSION INDEX 30 55 11 59
STABILITY CLASS F B F C
STAGNATION INDEX 3 2 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
10 TO 15 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. MINIMUM RH 69 PERCENT. SOUTH WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 55 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS AROUND
60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 56 PERCENT. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 63 PERCENT. SOUTH WINDS 15 TO
20 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 45 PERCENT.
NORTHWEST WINDS 5 TO 10 MPH.
ARZ035-036-048-049-058-220900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 0 20
PRECIP CHANCE (%) 10 20
PRECIP TYPE NONE NONE NONE TSTMS
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
TEMP (24H TREND) 55 (+5) 79 (-1) 60 83
RH % (24H TREND) 78 (-5) 34 (+9) 84 43
AM WIND 20FT (MPH) LGT/VAR S 6 G17
PM WIND 20FT (MPH) SW 4 S 6 S 4 S 9 G20
MIXING HGT(M-AGL) 2000 1800
MIXING HGT(FT-AGL) 6400 6100
MIXING HGT(M-MSL) 2000 1900
MIXING HGT(FT-MSL) 6600 6300
TRANSPORT WND (M/S) S 7 S 10
TRANSPORT WND (MPH) S 16 S 22
VENT INDEX (M2/S) 14000 19000
CATEGORY DAY 4 5
500M MIX HGT TEMP (F) 68 72
500M TSPT WIND (M/S) SW 5 S 8
500M TSPT WIND (MPH) SW 11 S 18
DISPERSION INDEX 23 39 11 55
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY
CLOUDY. HIGHS AROUND 80. MINIMUM RH 63 PERCENT. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS AROUND 80.
MINIMUM RH 58 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 57 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 63 PERCENT. SOUTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 46 PERCENT.
NORTHWEST WINDS AROUND 5 MPH.
TNZ001>004-019>022-220900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 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) 51 (+1) 80 (0) 56 82
RH % (24H TREND) 79 (-7) 32 (+6) 79 41
AM WIND 20FT (MPH) LGT/VAR S 6 G18
PM WIND 20FT (MPH) SW 6 SW 6 LGT/VAR S 8 G21
MIXING HGT(M-AGL) 2100 1700
MIXING HGT(FT-AGL) 6900 5700
MIXING HGT(M-MSL) 2200 1900
MIXING HGT(FT-MSL) 7300 6100
TRANSPORT WND (M/S) SW 9 S 9
TRANSPORT WND (MPH) SW 20 S 21
VENT INDEX (M2/S) 19800 17100
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 70 73
500M TSPT WIND (M/S) SW 5 S 7
500M TSPT WIND (MPH) SW 12 S 16
DISPERSION INDEX 13 57 8 57
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY
CLOUDY. HIGHS IN THE UPPER 70S. MINIMUM RH 63 PERCENT. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 54 PERCENT. NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
48 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE
LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 61 PERCENT. SOUTH WINDS
10 TO 15 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 46 PERCENT.
WEST WINDS 5 TO 10 MPH.
TNZ048>055-088>091-220900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 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) 50 (+2) 80 (-1) 55 82
RH % (24H TREND) 80 (-9) 30 (+6) 84 40
AM WIND 20FT (MPH) LGT/VAR S 5
PM WIND 20FT (MPH) SW 4 SW 6 LGT/VAR S 9 G18
MIXING HGT(M-AGL) 2200 1800
MIXING HGT(FT-AGL) 7400 5800
MIXING HGT(M-MSL) 2400 1900
MIXING HGT(FT-MSL) 7800 6200
TRANSPORT WND (M/S) SW 8 S 9
TRANSPORT WND (MPH) SW 18 S 20
VENT INDEX (M2/S) 19200 17100
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 70 73
500M TSPT WIND (M/S) SW 5 S 7
500M TSPT WIND (MPH) SW 10 S 16
DISPERSION INDEX 18 58 9 55
STABILITY CLASS E B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS IN THE LOWER 80S. MINIMUM RH 59 PERCENT. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS AROUND 80. MINIMUM RH 56 PERCENT. NORTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
80S. MINIMUM RH 50 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE
LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 62 PERCENT. SOUTH WINDS
10 TO 15 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
47 PERCENT. WEST WINDS 5 TO 10 MPH.
MSZ001-007-008-010>012-020-021-220900-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 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) 55 (+7) 80 (-1) 58 83
RH % (24H TREND) 77 (-15) 32 (+6) 91 42
AM WIND 20FT (MPH) LGT/VAR S 5
PM WIND 20FT (MPH) LGT/VAR S 5 LGT/VAR S 9 G18
MIXING HGT(M-AGL) 1900 1900
MIXING HGT(FT-AGL) 6300 6300
MIXING HGT(M-MSL) 2000 2000
MIXING HGT(FT-MSL) 6600 6600
TRANSPORT WND (M/S) S 6 S 9
TRANSPORT WND (MPH) S 14 S 20
VENT INDEX (M2/S) 12000 18000
CATEGORY DAY 4 5
500M MIX HGT TEMP (F) 69 72
500M TSPT WIND (M/S) SW 3 S 7
500M TSPT WIND (MPH) SW 6 S 16
DISPERSION INDEX 13 37 10 50
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS IN THE LOWER 80S. MINIMUM RH 58 PERCENT. SOUTH WINDS 10 TO
15 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 55 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 64 PERCENT. SOUTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
47 PERCENT. NORTHWEST WINDS 5 TO 10 MPH.
MSZ002>006-009-013>017-022>024-220900-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 PM CDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%)
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) 52 (+6) 80 (-1) 56 82
RH % (24H TREND) 82 (-14) 30 (+4) 94 39
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR S 5 LGT/VAR S 7
MIXING HGT(M-AGL) 2300 1900
MIXING HGT(FT-AGL) 7500 6200
MIXING HGT(M-MSL) 2400 2000
MIXING HGT(FT-MSL) 7900 6600
TRANSPORT WND (M/S) S 7 S 8
TRANSPORT WND (MPH) S 15 S 17
VENT INDEX (M2/S) 16800 16000
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 72 73
500M TSPT WIND (M/S) SW 4 S 6
500M TSPT WIND (MPH) SW 9 S 13
DISPERSION INDEX 8 44 8 50
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 55 PERCENT. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
80S. MINIMUM RH 52 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 61 PERCENT. SOUTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
46 PERCENT. WEST WINDS AROUND 5 MPH.
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