578
FNUS54 KMEG 210831
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT MON SEP 21 2026
DISCUSSION
ANOTHER ANOMALOUSLY WARM DAY IS ON TAP FOR MONDAY WITH HIGHS IN
THE MID 90S TO LOWER 100S. A WEAK COLD FRONT WILL BRING ISOLATED
CHANCES FOR SHOWERS AND STORMS MONDAY. WHILE MOISTURE AND MINIMUM
RELATIVE HUMIDITY VALUES WILL INCREASE, WETTING RAIN IS NOT
EXPECTED. 20FT WINDS WILL REMAIN BELOW 10 MPH THROUGH THE PERIOD.
A LOW CHANCE FOR FOG DEVELOPMENT WILL EXIST MAINLY ALONG THE
TENNESSEE RIVER TUESDAY MORNING, OTHERWISE FOG IS NOT EXPECTED
AMIDST RELATIVELY DRY SOILS. COOLER CONDITIONS WILL FILTER IN
BEHIND THE COLD FRONT MONDAY.
ARZ009-018-026>028-MOZ113-115-212100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 20 0 0
PRECIP CHANCE (%) 20 20 10
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 6 AM
TEMP (24H TREND) 94 (-4) 67 (-5) 86
RH % (24H TREND) 44 (+12) 100 (+15) 55
AM WIND 20FT (MPH) LGT/VAR N 8
PM WIND 20FT (MPH) N 4 N 4 N 9 G17
MIXING HGT(M-AGL) 1300 1400
MIXING HGT(FT-AGL) 4400 4600
MIXING HGT(M-MSL) 1400 1500
MIXING HGT(FT-MSL) 4700 4900
TRANSPORT WND (M/S) NW 4 N 5
TRANSPORT WND (MPH) NW 8 N 12
VENT INDEX (M2/S) 5600 7500
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 84 74
500M TSPT WIND (M/S) N 5 N 6
500M TSPT WIND (MPH) N 11 N 14
DISPERSION INDEX 19 11 31
STABILITY CLASS B F C
STAGNATION INDEX 3 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
10 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
51 PERCENT. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 49 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
48 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
43 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
35 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-212100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 20 0 0
PRECIP CHANCE (%) 20 20 10
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS) 0 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 10 PM
TEMP (24H TREND) 99 (0) 69 (-5) 93
RH % (24H TREND) 36 (+6) 100 (+19) 46
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 7
MIXING HGT(M-AGL) 1800 1600
MIXING HGT(FT-AGL) 5900 5300
MIXING HGT(M-MSL) 1900 1700
MIXING HGT(FT-MSL) 6100 5500
TRANSPORT WND (M/S) NW 4 N 5
TRANSPORT WND (MPH) NW 8 N 12
VENT INDEX (M2/S) 7600 8500
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 88 79
500M TSPT WIND (M/S) N 5 NE 6
500M TSPT WIND (MPH) N 11 NE 14
DISPERSION INDEX 19 9 31
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT.
NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
41 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
41 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
36 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
31 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
TNZ001>004-019>022-212100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 20 20 0
PRECIP CHANCE (%) 20 20 10
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS) 0 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 2 AM
TEMP (24H TREND) 95 (-2) 67 (-5) 86
RH % (24H TREND) 42 (+6) 100 (+14) 57
AM WIND 20FT (MPH) LGT/VAR N 6
PM WIND 20FT (MPH) NW 4 LGT/VAR N 7
MIXING HGT(M-AGL) 1400 1300
MIXING HGT(FT-AGL) 4600 4100
MIXING HGT(M-MSL) 1500 1400
MIXING HGT(FT-MSL) 5000 4500
TRANSPORT WND (M/S) NW 4 N 4
TRANSPORT WND (MPH) NW 8 N 9
VENT INDEX (M2/S) 6000 5600
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 86 73
500M TSPT WIND (M/S) NW 4 N 5
500M TSPT WIND (MPH) NW 9 N 12
DISPERSION INDEX 19 9 27
STABILITY CLASS C F C
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
54 PERCENT. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 52 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
50 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
40 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
34 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
TNZ048>055-088>091-212100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 20 20 0
PRECIP CHANCE (%) 20 20 10
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION (HRS) 0 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 12 AM
TEMP (24H TREND) 96 (-2) 67 (-5) 90
RH % (24H TREND) 38 (+3) 100 (+16) 52
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 7
MIXING HGT(M-AGL) 1900 1400
MIXING HGT(FT-AGL) 6200 4400
MIXING HGT(M-MSL) 2000 1500
MIXING HGT(FT-MSL) 6600 4800
TRANSPORT WND (M/S) W 4 N 5
TRANSPORT WND (MPH) W 8 N 10
VENT INDEX (M2/S) 8000 7500
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 89 76
500M TSPT WIND (M/S) NW 4 N 6
500M TSPT WIND (MPH) NW 8 N 12
DISPERSION INDEX 20 8 27
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 49 PERCENT.
NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
45 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
37 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
32 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-212100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 20 0
PRECIP CHANCE (%) 30 30 10
PRECIP TYPE SHOWERS TSTMS NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 12 AM
TEMP (24H TREND) 99 (+1) 69 (-4) 94
RH % (24H TREND) 38 (+3) 100 (+17) 48
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 6
MIXING HGT(M-AGL) 2100 1800
MIXING HGT(FT-AGL) 7000 6000
MIXING HGT(M-MSL) 2200 1900
MIXING HGT(FT-MSL) 7200 6200
TRANSPORT WND (M/S) NW 3 N 4
TRANSPORT WND (MPH) NW 7 N 9
VENT INDEX (M2/S) 6600 7600
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 90 81
500M TSPT WIND (M/S) N 3 N 5
500M TSPT WIND (MPH) N 7 N 12
DISPERSION INDEX 19 7 27
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
10 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
47 PERCENT. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS 10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 44 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
44 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
37 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
33 PERCENT. NORTHEAST WINDS AROUND 5 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 MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 20 20 20
PRECIP CHANCE (%) 30 30 30
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION (HRS) 1 1 1
PRECIP BEGIN 1 PM CONTINUING 1 PM
PRECIP END CONTINUING 12 AM 6 PM
TEMP (24H TREND) 97 (-1) 69 (-3) 94
RH % (24H TREND) 37 (+1) 100 (+12) 48
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR N 4
MIXING HGT(M-AGL) 2200 1500
MIXING HGT(FT-AGL) 7100 4900
MIXING HGT(M-MSL) 2300 1600
MIXING HGT(FT-MSL) 7500 5300
TRANSPORT WND (M/S) W 3 N 3
TRANSPORT WND (MPH) W 7 N 7
VENT INDEX (M2/S) 6900 4800
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 91 80
500M TSPT WIND (M/S) NW 3 N 4
500M TSPT WIND (MPH) NW 6 N 10
DISPERSION INDEX 19 5 22
STABILITY CLASS B F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
48 PERCENT. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 46 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
36 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
32 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page