330
FNUS54 KMEG 212031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT TUE JUL 21 2026
DISCUSSION
MINIMUM RH VALUES WILL REMAIN ABOVE 40 PERCENT THROUGH THE NEXT
SEVERAL DAYS. 20 FOOT WINDS WILL SWITCH TO NORTH LATE TONIGHT
INTO EARLY WEDNESDAY, FOLLOWING THE PASSAGE OF A COLD FRONT.
SCATTERED THUNDERSTORMS ARE EXPECTED AHEAD OF THE FRONT THIS
EVENING, MAINLY OVER NORTHEAST ARKANSAS, THE MISSOURI BOOTHEEL
AND WEST TENNESSEE.
ARZ009-018-026>028-MOZ113-115-220900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 30 0 0 0
PRECIP CHANCE (%) 30
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.09 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
TEMP (24H TREND) 71 (-6) 86 (-13) 66 83
RH % (24H TREND) 87 (-12) 54 (0) 85 52
AM WIND 20FT (MPH) N 8 NE 7
PM WIND 20FT (MPH) LGT/VAR NE 10 G17 NE 7 NE 9
MIXING HGT(M-AGL) 1300 1300
MIXING HGT(FT-AGL) 4300 4100
MIXING HGT(M-MSL) 1400 1300
MIXING HGT(FT-MSL) 4600 4400
TRANSPORT WND (M/S) N 7 NE 6
TRANSPORT WND (MPH) N 16 NE 13
VENT INDEX (M2/S) 9800 7800
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 82 76
500M TSPT WIND (M/S) N 7 NE 6
500M TSPT WIND (MPH) N 15 NE 14
DISPERSION INDEX 13 40 14 37
STABILITY CLASS F B F B
STAGNATION INDEX 3 2 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
57 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE UPPER 80S. MINIMUM RH 64 PERCENT. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. 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 UPPER 70S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 52 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 50 PERCENT.
WEST WINDS 5 TO 10 MPH.
ARZ035-036-048-049-058-220900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 20 0 0 0
PRECIP CHANCE (%) 30
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
TEMP (24H TREND) 74 (-5) 89 (-9) 68 87
RH % (24H TREND) 88 (-11) 53 (-1) 83 49
AM WIND 20FT (MPH) NE 8 G18 NE 6
PM WIND 20FT (MPH) LGT/VAR N 8 G17 NE 6 NE 6
MIXING HGT(M-AGL) 1300 1300
MIXING HGT(FT-AGL) 4200 4200
MIXING HGT(M-MSL) 1400 1300
MIXING HGT(FT-MSL) 4400 4400
TRANSPORT WND (M/S) N 7 NE 6
TRANSPORT WND (MPH) N 15 NE 13
VENT INDEX (M2/S) 9800 7800
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 85 77
500M TSPT WIND (M/S) NE 7 NE 7
500M TSPT WIND (MPH) NE 15 NE 15
DISPERSION INDEX 13 40 15 38
STABILITY CLASS F B F B
STAGNATION INDEX 3 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
54 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
90S. MINIMUM RH 61 PERCENT. SOUTH 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 54 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 48 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 46 PERCENT.
WEST WINDS AROUND 5 MPH.
TNZ001>004-019>022-220900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 40 0 0 0
PRECIP CHANCE (%) 40
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.06 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
TEMP (24H TREND) 70 (-7) 86 (-11) 64 83
RH % (24H TREND) 99 (0) 56 (-1) 87 49
AM WIND 20FT (MPH) N 5 NE 5
PM WIND 20FT (MPH) LGT/VAR N 7 NE 6 NE 6
MIXING HGT(M-AGL) 1300 1300
MIXING HGT(FT-AGL) 4100 4200
MIXING HGT(M-MSL) 1400 1400
MIXING HGT(FT-MSL) 4500 4600
TRANSPORT WND (M/S) N 6 NE 5
TRANSPORT WND (MPH) N 13 NE 12
VENT INDEX (M2/S) 8400 7000
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 83 75
500M TSPT WIND (M/S) N 5 NE 5
500M TSPT WIND (MPH) N 10 NE 10
DISPERSION INDEX 10 33 11 33
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
53 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
62 PERCENT. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 58 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 53 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 51 PERCENT.
WEST WINDS AROUND 5 MPH.
TNZ048>055-088>091-220900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 40 0 0 0
PRECIP CHANCE (%) 40
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.06 0.00 0.00 0.00
PRECIP DURATION (HRS) 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
TEMP (24H TREND) 72 (-4) 89 (-8) 65 86
RH % (24H TREND) 97 (-2) 53 (-1) 86 47
AM WIND 20FT (MPH) N 6 NE 6
PM WIND 20FT (MPH) LGT/VAR N 8 NE 7 NE 6
MIXING HGT(M-AGL) 1200 1300
MIXING HGT(FT-AGL) 4100 4100
MIXING HGT(M-MSL) 1400 1400
MIXING HGT(FT-MSL) 4500 4500
TRANSPORT WND (M/S) N 6 NE 5
TRANSPORT WND (MPH) N 13 NE 10
VENT INDEX (M2/S) 8400 7000
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 84 77
500M TSPT WIND (M/S) N 4 NE 5
500M TSPT WIND (MPH) N 9 NE 11
DISPERSION INDEX 8 32 11 30
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
52 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS AROUND 90. MINIMUM RH 60 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 MID 90S. MINIMUM RH 55 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 47 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 46 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 JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 20 0 0 0
PRECIP CHANCE (%) 20 10
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 6 AM
TEMP (24H TREND) 77 (0) 92 (-5) 70 90
RH % (24H TREND) 91 (-6) 49 (-6) 83 46
AM WIND 20FT (MPH) NE 6 G17 NE 6
PM WIND 20FT (MPH) LGT/VAR N 8 NE 8 G17 NE 6
MIXING HGT(M-AGL) 1500 1400
MIXING HGT(FT-AGL) 4900 4500
MIXING HGT(M-MSL) 1600 1400
MIXING HGT(FT-MSL) 5100 4700
TRANSPORT WND (M/S) N 6 NE 5
TRANSPORT WND (MPH) N 14 NE 10
VENT INDEX (M2/S) 9600 7000
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 87 80
500M TSPT WIND (M/S) NE 3 NE 4
500M TSPT WIND (MPH) NE 7 NE 10
DISPERSION INDEX 6 35 18 33
STABILITY CLASS F B F B
STAGNATION INDEX 3 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 52 PERCENT. NORTHEAST 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 58 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 53 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 46 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 43 PERCENT.
WEST 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 JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 20 0 0 0
PRECIP CHANCE (%) 30 20 10 10
PRECIP TYPE TSTMS NONE NONE SHOWERS
PRECIP AMOUNT 0.10 0.00 0.00 0.01
PRECIP DURATION (HRS) 2 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 6 AM 6 PM
TEMP (24H TREND) 75 (0) 93 (-3) 69 90
RH % (24H TREND) 96 (-3) 50 (-3) 87 47
AM WIND 20FT (MPH) LGT/VAR NE 5
PM WIND 20FT (MPH) LGT/VAR NE 6 N 7 NE 5
MIXING HGT(M-AGL) 1300 1300
MIXING HGT(FT-AGL) 4300 4400
MIXING HGT(M-MSL) 1400 1500
MIXING HGT(FT-MSL) 4700 4800
TRANSPORT WND (M/S) NE 4 N 4
TRANSPORT WND (MPH) NE 9 N 8
VENT INDEX (M2/S) 5600 6000
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 85 79
500M TSPT WIND (M/S) S 3 NE 4
500M TSPT WIND (MPH) S 7 NE 9
DISPERSION INDEX 7 22 12 24
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS AROUND 90. MINIMUM RH 52 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
A CHANCE OF SHOWERS. 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 57 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
53 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 45 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 42 PERCENT.
WEST WINDS 5 TO 10 MPH.
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