296
FNUS54 KMEG 211318
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
818 AM CDT TUE APR 21 2026
...ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED ACROSS THE ENTIRE
MID-SOUTH THIS AFTERNOON...
DISCUSSION
A RANGELAND FIRE DANGER STATEMENT IS IN EFFECT FOR TUESDAY.
MINIMUM RELATIVE HUMIDITY OF 20-30% WILL ACCOMPANY 20 FOOT WINDS
10 TO 20 MPH OVER NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL,
AND 5 TO 15 MPH OVER THE REMAINDER OF THE MIDSOUTH. HUMIDITY WILL
GRADUALLY MODERATE WEDNESDAY THROUGH THURSDAY, IN ADVANCE OF
WETTING RAINFALL FRIDAY THROUGH THE WEEKEND.
ARZ009-018-026>028-MOZ113-115-212130-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 80 (+4) 53 (+3) 80
RH % (24H TREND) 25 (-6) 81 (+5) 42
AM WIND 20FT (MPH) SW 8 G20 SW 5
PM WIND 20FT (MPH) SW 13 G21 SW 8 G17 SW 9
MIXING HGT(M-AGL) 1700 1700
MIXING HGT(FT-AGL) 5700 5500
MIXING HGT(M-MSL) 1800 1800
MIXING HGT(FT-MSL) 5900 5800
TRANSPORT WND (M/S) SW 12 SW 9
TRANSPORT WND (MPH) SW 26 SW 20
VENT INDEX (M2/S) 21600 16200
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 70 65
500M TSPT WIND (M/S) SW 10 SW 8
500M TSPT WIND (MPH) SW 22 SW 18
DISPERSION INDEX 68 28 54
STABILITY CLASS C F B
STAGNATION INDEX 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
44 PERCENT. SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS. 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 67 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 57 PERCENT. NORTHWEST WINDS 5 TO 10 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 UPPER
70S. MINIMUM RH 57 PERCENT. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE
MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 65 PERCENT. SOUTH WINDS
10 TO 15 MPH.
ARZ035-036-048-049-058-212130-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY 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) 80 (+2) 56 (+6) 79
RH % (24H TREND) 25 (-2) 76 (+1) 39
AM WIND 20FT (MPH) S 4 LGT/VAR
PM WIND 20FT (MPH) SW 8 G17 SW 4 S 6
MIXING HGT(M-AGL) 2000 1500
MIXING HGT(FT-AGL) 6400 4800
MIXING HGT(M-MSL) 2000 1500
MIXING HGT(FT-MSL) 6600 5000
TRANSPORT WND (M/S) SW 10 S 7
TRANSPORT WND (MPH) SW 22 S 16
VENT INDEX (M2/S) 20000 10500
CATEGORY DAY 5 4
500M MIX HGT TEMP (F) 70 67
500M TSPT WIND (M/S) SW 8 S 7
500M TSPT WIND (MPH) SW 18 S 15
DISPERSION INDEX 61 17 36
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
42 PERCENT. SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY
CLOUDY. HIGHS IN THE LOWER 80S. MINIMUM RH 60 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 IN THE LOWER
80S. MINIMUM RH 57 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
80S. MINIMUM RH 57 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE
MID 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
5 TO 10 MPH.
TNZ001>004-019>022-212130-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%)
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 80 (+6) 52 (+4) 80
RH % (24H TREND) 26 (-10) 80 (-5) 37
AM WIND 20FT (MPH) SW 5 G17 LGT/VAR
PM WIND 20FT (MPH) SW 9 G20 SW 5 SW 7
MIXING HGT(M-AGL) 1800 2100
MIXING HGT(FT-AGL) 5900 6900
MIXING HGT(M-MSL) 1900 2200
MIXING HGT(FT-MSL) 6300 7300
TRANSPORT WND (M/S) SW 11 SW 10
TRANSPORT WND (MPH) SW 24 SW 22
VENT INDEX (M2/S) 20900 22000
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 70 67
500M TSPT WIND (M/S) SW 8 W 7
500M TSPT WIND (MPH) SW 19 W 17
DISPERSION INDEX 63 11 66
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 42 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. 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 61 PERCENT. SOUTH
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 57 PERCENT. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 52 PERCENT.
EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. PARTLY 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 UPPER 70S. MINIMUM RH 64 PERCENT. SOUTH WINDS
10 TO 15 MPH.
TNZ048>055-088>091-212130-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%)
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 81 (+4) 52 (+4) 81
RH % (24H TREND) 24 (-7) 79 (-3) 34
AM WIND 20FT (MPH) SW 4 LGT/VAR
PM WIND 20FT (MPH) SW 8 G17 SW 4 SW 6
MIXING HGT(M-AGL) 1900 2100
MIXING HGT(FT-AGL) 6200 6700
MIXING HGT(M-MSL) 2000 2200
MIXING HGT(FT-MSL) 6600 7100
TRANSPORT WND (M/S) SW 10 SW 8
TRANSPORT WND (MPH) SW 22 SW 18
VENT INDEX (M2/S) 20000 17600
CATEGORY DAY 5 5
500M MIX HGT TEMP (F) 71 68
500M TSPT WIND (M/S) SW 7 SW 6
500M TSPT WIND (MPH) SW 16 SW 13
DISPERSION INDEX 58 13 53
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 40 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY
CLOUDY. HIGHS IN THE LOWER 80S. MINIMUM RH 57 PERCENT. SOUTH
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS AROUND 80.
MINIMUM RH 57 PERCENT. WEST WINDS 5 TO 10 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 53 PERCENT. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. PARTLY 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
5 TO 10 MPH.
MSZ001-007-008-010>012-020-021-212130-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY 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) 82 (+5) 56 (+8) 80
RH % (24H TREND) 25 (-4) 76 (-7) 37
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) SW 7 LGT/VAR S 5
MIXING HGT(M-AGL) 1900 1500
MIXING HGT(FT-AGL) 6200 4900
MIXING HGT(M-MSL) 2000 1600
MIXING HGT(FT-MSL) 6500 5200
TRANSPORT WND (M/S) SW 9 S 6
TRANSPORT WND (MPH) SW 20 S 14
VENT INDEX (M2/S) 18000 9600
CATEGORY DAY 5 4
500M MIX HGT TEMP (F) 71 69
500M TSPT WIND (M/S) SW 6 S 4
500M TSPT WIND (MPH) SW 14 S 8
DISPERSION INDEX 51 11 34
STABILITY CLASS B E B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 41 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY
CLOUDY. HIGHS IN THE LOWER 80S. MINIMUM RH 57 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. MOSTLY CLOUDY. HIGHS IN THE
LOWER 80S. MINIMUM RH 59 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. MOSTLY CLOUDY. HIGHS IN THE LOWER
80S. MINIMUM RH 58 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
MID 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.
MSZ002>006-009-013>017-022>024-212130-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
818 AM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%)
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 81 (+5) 54 (+8) 81
RH % (24H TREND) 25 (-6) 81 (-7) 34
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) SW 5 LGT/VAR SW 4
MIXING HGT(M-AGL) 1900 1900
MIXING HGT(FT-AGL) 6300 6100
MIXING HGT(M-MSL) 2100 2000
MIXING HGT(FT-MSL) 6700 6500
TRANSPORT WND (M/S) SW 7 S 6
TRANSPORT WND (MPH) SW 16 S 13
VENT INDEX (M2/S) 14700 12000
CATEGORY DAY 4 4
500M MIX HGT TEMP (F) 71 70
500M TSPT WIND (M/S) SW 5 W 3
500M TSPT WIND (MPH) SW 10 W 6
DISPERSION INDEX 44 7 32
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 38 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 53 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 59 PERCENT. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
80S. MINIMUM RH 56 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 61 PERCENT. SOUTH WINDS
5 TO 10 MPH.
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