570
FNUS54 KMEG 210830
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT TUE JUL 21 2026
DISCUSSION
LIGHT 20-FT WINDS AND MINIMUM RH VALUES REMAINING ABOVE 40% WILL
KEEP FIRE WEATHER CONCERNS MINIMAL THROUGH THE PERIOD.
ARZ009-018-026>028-MOZ113-115-212100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
CHANCE OF THUNDER (%) 20 40 0
PRECIP CHANCE (%) 20 40
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.04 0.16 0.00
PRECIP DURATION (HRS) 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 100 (+7) 72 (-4) 87
RH % (24H TREND) 49 (-19) 87 (-11) 53
AM WIND 20FT (MPH) LGT/VAR N 9
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 10 G17
MIXING HGT(M-AGL) 1500 1400
MIXING HGT(FT-AGL) 4800 4700
MIXING HGT(M-MSL) 1500 1500
MIXING HGT(FT-MSL) 5000 5000
TRANSPORT WND (M/S) W 3 N 6
TRANSPORT WND (MPH) W 7 N 14
VENT INDEX (M2/S) 4500 9000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 92 79
500M TSPT WIND (M/S) SW 4 N 7
500M TSPT WIND (MPH) SW 9 N 16
DISPERSION INDEX 22 13 40
STABILITY CLASS A F B
STAGNATION INDEX 3 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 54 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
58 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE UPPER 80S. MINIMUM RH 64 PERCENT. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 57 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
53 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
ARZ035-036-048-049-058-212100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 30 0
PRECIP CHANCE (%) 10 30
PRECIP TYPE NONE TSTMS NONE
PRECIP AMOUNT 0.00 0.07 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
TEMP (24H TREND) 99 (+2) 75 (-2) 90
RH % (24H TREND) 50 (-7) 86 (-10) 51
AM WIND 20FT (MPH) LGT/VAR NE 7 G17
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 8
MIXING HGT(M-AGL) 1500 1400
MIXING HGT(FT-AGL) 5100 4700
MIXING HGT(M-MSL) 1600 1500
MIXING HGT(FT-MSL) 5300 4900
TRANSPORT WND (M/S) NW 3 N 6
TRANSPORT WND (MPH) NW 6 N 14
VENT INDEX (M2/S) 4800 9000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 93 83
500M TSPT WIND (M/S) W 2 N 8
500M TSPT WIND (MPH) W 4 N 17
DISPERSION INDEX 15 11 40
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 52 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
53 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 61 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 56 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 52 PERCENT.
WEST WINDS AROUND 5 MPH.
TNZ001>004-019>022-212100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 20 40 0
PRECIP CHANCE (%) 30 40
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.02 0.08 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 98 (+5) 71 (-3) 87
RH % (24H TREND) 53 (-11) 98 (0) 55
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) SW 4 LGT/VAR N 7
MIXING HGT(M-AGL) 1200 1500
MIXING HGT(FT-AGL) 3900 4800
MIXING HGT(M-MSL) 1300 1600
MIXING HGT(FT-MSL) 4300 5200
TRANSPORT WND (M/S) W 5 N 5
TRANSPORT WND (MPH) W 10 N 12
VENT INDEX (M2/S) 6500 8000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 89 79
500M TSPT WIND (M/S) SW 5 N 6
500M TSPT WIND (MPH) SW 12 N 14
DISPERSION INDEX 26 9 35
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 MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 51 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
54 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 57 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
54 PERCENT. WEST WINDS 5 TO 10 MPH.
TNZ048>055-088>091-212100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 40 0
PRECIP CHANCE (%) 10 40
PRECIP TYPE NONE TSTMS NONE
PRECIP AMOUNT 0.00 0.08 0.00
PRECIP DURATION (HRS) 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
TEMP (24H TREND) 98 (+5) 72 (-3) 89
RH % (24H TREND) 50 (-13) 97 (-1) 53
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 8
MIXING HGT(M-AGL) 1400 1500
MIXING HGT(FT-AGL) 4400 4800
MIXING HGT(M-MSL) 1500 1600
MIXING HGT(FT-MSL) 4800 5200
TRANSPORT WND (M/S) W 4 N 5
TRANSPORT WND (MPH) W 8 N 12
VENT INDEX (M2/S) 6000 8000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 90 81
500M TSPT WIND (M/S) SW 4 N 6
500M TSPT WIND (MPH) SW 8 N 13
DISPERSION INDEX 17 8 33
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 49 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
51 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS AROUND
70. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS AROUND 90. MINIMUM RH 59 PERCENT. SOUTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 55 PERCENT.
WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
51 PERCENT. WEST WINDS 5 TO 10 MPH.
MSZ001-007-008-010>012-020-021-212100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 20 0
PRECIP CHANCE (%) 20 20
PRECIP TYPE NONE TSTMS NONE
PRECIP AMOUNT 0.00 0.02 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 7 PM
PRECIP END 3 AM
TEMP (24H TREND) 97 (+1) 77 (+1) 93
RH % (24H TREND) 51 (-3) 89 (-6) 48
AM WIND 20FT (MPH) LGT/VAR NE 5
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 8
MIXING HGT(M-AGL) 1400 1600
MIXING HGT(FT-AGL) 4500 5400
MIXING HGT(M-MSL) 1400 1700
MIXING HGT(FT-MSL) 4700 5600
TRANSPORT WND (M/S) W 2 N 6
TRANSPORT WND (MPH) W 5 N 13
VENT INDEX (M2/S) 2800 10200
CATEGORY DAY 2 4
500M MIX HGT TEMP (F) 92 84
500M TSPT WIND (M/S) S 2 NE 5
500M TSPT WIND (MPH) S 3 NE 12
DISPERSION INDEX 11 7 33
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS 10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 46 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
48 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE LOWER
90S. MINIMUM RH 58 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 54 PERCENT.
WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 50 PERCENT.
WEST WINDS 5 TO 10 MPH.
MSZ002>006-009-013>017-022>024-212100-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
CHANCE OF THUNDER (%) 0 20 0
PRECIP CHANCE (%) 10 30 10
PRECIP TYPE NONE TSTMS NONE
PRECIP AMOUNT 0.00 0.07 0.00
PRECIP DURATION (HRS) 2
PRECIP BEGIN 7 PM
PRECIP END 6 AM
TEMP (24H TREND) 97 (+4) 75 (0) 93
RH % (24H TREND) 48 (-11) 95 (-3) 48
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 5
MIXING HGT(M-AGL) 1300 1500
MIXING HGT(FT-AGL) 4400 4800
MIXING HGT(M-MSL) 1500 1600
MIXING HGT(FT-MSL) 4800 5200
TRANSPORT WND (M/S) S 2 N 5
TRANSPORT WND (MPH) S 5 N 10
VENT INDEX (M2/S) 3000 8000
CATEGORY DAY 2 4
500M MIX HGT TEMP (F) 89 83
500M TSPT WIND (M/S) S 3 N 4
500M TSPT WIND (MPH) S 8 N 8
DISPERSION INDEX 13 7 24
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
46 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
47 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 56 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 52 PERCENT.
WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 48 PERCENT.
WEST WINDS 5 TO 10 MPH.
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