529
FNUS54 KMEG 212031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT MON SEP 21 2026
DISCUSSION
A PASSING WEAK COLD FRONT WILL BRING AN END TO THE NEAR-RECORD
HEAT, GRADUALLY RECOVERING RELATIVE HUMIDITY LEVELS. DUE TO
MOSTLY DRY SOILS, FOG POTENTIAL REMAINS MINIMAL OVERALL,
RESTRICTED PRIMARILY TO BRIEF, LOCALIZED MORNING FOG ALONG LOW-
LYING RIVER VALLEYS AND ANYWHERE THAT RECEIVES RAINFALL FROM THE
FRONTAL PASSAGE.
ARZ009-018-026>028-MOZ113-115-220900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20 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) 67 (-4) 87 (-6) 61 83
RH % (24H TREND) 100 (+16) 55 (+5) 100 51
AM WIND 20FT (MPH) N 7 N 7
PM WIND 20FT (MPH) N 4 N 8 N 9 G17 N 9
MIXING HGT(M-AGL) 1300 1700
MIXING HGT(FT-AGL) 4200 5500
MIXING HGT(M-MSL) 1400 1800
MIXING HGT(FT-MSL) 4400 5800
TRANSPORT WND (M/S) N 5 N 6
TRANSPORT WND (MPH) N 12 N 13
VENT INDEX (M2/S) 7000 10800
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 74 65
500M TSPT WIND (M/S) N 6 N 6
500M TSPT WIND (MPH) N 14 N 14
DISPERSION INDEX 11 30 18 34
STABILITY CLASS F C E C
STAGNATION INDEX 3 2 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. 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 UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
52 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 LOWER 80S. MINIMUM RH
44 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
40 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
41 PERCENT. EAST WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-220900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20 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) 69 (-4) 93 (-4) 63 88
RH % (24H TREND) 100 (+22) 47 (+5) 100 44
AM WIND 20FT (MPH) N 4 N 5
PM WIND 20FT (MPH) LGT/VAR N 6 N 6 N 6
MIXING HGT(M-AGL) 1600 1800
MIXING HGT(FT-AGL) 5200 5700
MIXING HGT(M-MSL) 1600 1800
MIXING HGT(FT-MSL) 5400 6000
TRANSPORT WND (M/S) N 5 N 6
TRANSPORT WND (MPH) N 12 N 13
VENT INDEX (M2/S) 8000 10800
CATEGORY DAY 4 4
500M MIX HGT TEMP (F) 80 68
500M TSPT WIND (M/S) N 7 N 7
500M TSPT WIND (MPH) N 15 N 15
DISPERSION INDEX 9 31 12 34
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHEAST 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
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
44 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
39 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
36 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
37 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
TNZ001>004-019>022-220900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20 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) 67 (-3) 87 (-7) 61 83
RH % (24H TREND) 100 (+10) 56 (+8) 100 51
AM WIND 20FT (MPH) N 5 N 5
PM WIND 20FT (MPH) N 4 N 7 N 7 N 7
MIXING HGT(M-AGL) 1100 1600
MIXING HGT(FT-AGL) 3500 5300
MIXING HGT(M-MSL) 1200 1700
MIXING HGT(FT-MSL) 3900 5700
TRANSPORT WND (M/S) N 5 N 5
TRANSPORT WND (MPH) N 10 N 12
VENT INDEX (M2/S) 6000 8500
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 72 64
500M TSPT WIND (M/S) N 5 N 5
500M TSPT WIND (MPH) N 12 N 11
DISPERSION INDEX 9 22 13 30
STABILITY CLASS F C F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
55 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. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
37 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
38 PERCENT. EAST WINDS AROUND 5 MPH.
TNZ048>055-088>091-220900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20 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) 67 (-3) 90 (-6) 62 86
RH % (24H TREND) 100 (+9) 52 (+10) 100 48
AM WIND 20FT (MPH) N 4 N 5
PM WIND 20FT (MPH) LGT/VAR N 7 N 7 N 7
MIXING HGT(M-AGL) 1300 1600
MIXING HGT(FT-AGL) 4400 5300
MIXING HGT(M-MSL) 1500 1700
MIXING HGT(FT-MSL) 4800 5700
TRANSPORT WND (M/S) N 5 N 5
TRANSPORT WND (MPH) N 10 N 12
VENT INDEX (M2/S) 7500 8500
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 76 65
500M TSPT WIND (M/S) N 5 N 5
500M TSPT WIND (MPH) N 11 N 12
DISPERSION INDEX 7 28 13 30
STABILITY CLASS F B F C
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
50 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 47 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
38 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
35 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
36 PERCENT. EAST WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-220900-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 PM CDT MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 20 0 0 0
PRECIP CHANCE (%) 30 10
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
TEMP (24H TREND) 69 (-3) 94 (-4) 65 89
RH % (24H TREND) 100 (+14) 49 (+7) 100 45
AM WIND 20FT (MPH) LGT/VAR N 6
PM WIND 20FT (MPH) LGT/VAR N 6 N 6 N 7
MIXING HGT(M-AGL) 1700 1800
MIXING HGT(FT-AGL) 5500 5800
MIXING HGT(M-MSL) 1800 1800
MIXING HGT(FT-MSL) 5700 6000
TRANSPORT WND (M/S) N 5 N 5
TRANSPORT WND (MPH) N 10 N 12
VENT INDEX (M2/S) 9000 9000
CATEGORY DAY 4 4
500M MIX HGT TEMP (F) 83 71
500M TSPT WIND (M/S) N 5 N 6
500M TSPT WIND (MPH) N 11 N 14
DISPERSION INDEX 7 27 11 30
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
45 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
40 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
37 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
38 PERCENT. SOUTHEAST WINDS AROUND 5 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 MON SEP 21 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 20 0 0 0
PRECIP CHANCE (%) 30 30 10
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 4 AM
TEMP (24H TREND) 68 (-4) 93 (-4) 65 89
RH % (24H TREND) 100 (+10) 48 (+8) 100 45
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) LGT/VAR N 5 N 4 N 6
MIXING HGT(M-AGL) 1600 1700
MIXING HGT(FT-AGL) 5100 5600
MIXING HGT(M-MSL) 1700 1800
MIXING HGT(FT-MSL) 5500 6000
TRANSPORT WND (M/S) N 4 N 5
TRANSPORT WND (MPH) N 8 N 10
VENT INDEX (M2/S) 6800 9000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 82 72
500M TSPT WIND (M/S) N 4 N 5
500M TSPT WIND (MPH) N 9 N 10
DISPERSION INDEX 5 22 8 25
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
49 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 UPPER 80S. MINIMUM RH 47 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
39 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
35 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
36 PERCENT. EAST WINDS AROUND 5 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page