498
FNUS54 KMEG 202031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT SUN SEP 20 2026
DISCUSSION
ANOMALOUSLY HOT AND DRY CONDITIONS WILL PERSIST THIS AFTERNOON
WITH MINIMUM RELATIVE HUMIDITY VALUES AVERAGING BETWEEN 30 TO
35 PERCENT. HUMIDITY WILL INCREASE ON MONDAY WITH THE APPROACH OF
A COLD FRONT. THIS FRONT WILL BRING ISOLATED TO SCATTERED RAIN
CHANCES MONDAY AND TUESDAY, WITH APPRECIABLE RAINFALL NOT
EXPECTED. 20 FOOT WINDS WILL REMAIN LIGHT THROUGH THE PERIOD. DRY
SOIL AND LIMITED MOISTURE WILL MITIGATE ANY FOG POTENTIAL.
ARZ009-018-026>028-MOZ113-115-210900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 20 0
PRECIP CHANCE (%) 20 30 20
PRECIP TYPE NONE NONE TSTMS SHOWERS
PRECIP AMOUNT 0.00 0.00 0.02 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
TEMP (24H TREND) 72 (0) 96 (-3) 67 87
RH % (24H TREND) 86 (+3) 43 (+10) 100 54
AM WIND 20FT (MPH) LGT/VAR N 7
PM WIND 20FT (MPH) LGT/VAR N 4 N 5 N 8
MIXING HGT(M-AGL) 1500 1400
MIXING HGT(FT-AGL) 4800 4700
MIXING HGT(M-MSL) 1500 1500
MIXING HGT(FT-MSL) 5100 4900
TRANSPORT WND (M/S) NW 3 N 5
TRANSPORT WND (MPH) NW 7 N 12
VENT INDEX (M2/S) 4500 7500
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 86 70
500M TSPT WIND (M/S) NW 4 NE 7
500M TSPT WIND (MPH) NW 9 NE 15
DISPERSION INDEX 7 19 12 34
STABILITY CLASS F B F C
STAGNATION INDEX 3 3 3 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
52 PERCENT. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 10 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
49 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
45 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
39 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-210900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 20 0
PRECIP CHANCE (%) 10 20 10
PRECIP TYPE NONE NONE TSTMS NONE
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
TEMP (24H TREND) 73 (-1) 99 (-1) 68 93
RH % (24H TREND) 82 (+5) 37 (+5) 100 46
AM WIND 20FT (MPH) LGT/VAR N 4
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR N 6
MIXING HGT(M-AGL) 2100 1600
MIXING HGT(FT-AGL) 6800 5300
MIXING HGT(M-MSL) 2100 1700
MIXING HGT(FT-MSL) 7000 5500
TRANSPORT WND (M/S) W 3 N 5
TRANSPORT WND (MPH) W 7 N 12
VENT INDEX (M2/S) 6300 8500
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 89 76
500M TSPT WIND (M/S) NW 3 N 7
500M TSPT WIND (MPH) NW 8 N 15
DISPERSION INDEX 8 18 10 31
STABILITY CLASS F B F B
STAGNATION INDEX 3 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 47 PERCENT.
NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
42 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
42 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
41 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
36 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
TNZ001>004-019>022-210900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 20 0
PRECIP CHANCE (%) 10 40 20
PRECIP TYPE NONE NONE TSTMS SHOWERS
PRECIP AMOUNT 0.00 0.00 0.04 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 6 PM 6 AM
PRECIP END 1 AM 6 PM
TEMP (24H TREND) 72 (+1) 96 (-2) 67 87
RH % (24H TREND) 84 (-8) 42 (+6) 100 56
AM WIND 20FT (MPH) LGT/VAR N 5
PM WIND 20FT (MPH) LGT/VAR NW 4 N 4 N 7
MIXING HGT(M-AGL) 1600 1200
MIXING HGT(FT-AGL) 5100 4000
MIXING HGT(M-MSL) 1700 1300
MIXING HGT(FT-MSL) 5500 4400
TRANSPORT WND (M/S) NW 4 N 5
TRANSPORT WND (MPH) NW 8 N 10
VENT INDEX (M2/S) 6800 6500
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 90 67
500M TSPT WIND (M/S) W 3 NE 6
500M TSPT WIND (MPH) W 7 NE 13
DISPERSION INDEX 7 21 8 27
STABILITY CLASS F B F B
STAGNATION INDEX 3 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
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
55 PERCENT. NORTH WINDS 5 TO 10 MPH.
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
52 PERCENT. NORTH 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
53 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
46 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
39 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
TNZ048>055-088>091-210900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 0 20 0
PRECIP CHANCE (%) 20 20 10
PRECIP TYPE NONE NONE TSTMS SHOWERS
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
TEMP (24H TREND) 72 (0) 97 (-1) 67 91
RH % (24H TREND) 85 (-6) 38 (+3) 100 51
AM WIND 20FT (MPH) LGT/VAR N 4
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR N 6
MIXING HGT(M-AGL) 2000 1400
MIXING HGT(FT-AGL) 6700 4600
MIXING HGT(M-MSL) 2200 1500
MIXING HGT(FT-MSL) 7100 5000
TRANSPORT WND (M/S) W 4 N 4
TRANSPORT WND (MPH) W 8 N 9
VENT INDEX (M2/S) 8800 6000
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 90 71
500M TSPT WIND (M/S) W 4 N 6
500M TSPT WIND (MPH) W 8 N 13
DISPERSION INDEX 6 22 9 24
STABILITY CLASS F B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 51 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 47 PERCENT.
NORTH 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 MID 80S. MINIMUM RH
48 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
43 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
37 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-210900-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 20 20 0
PRECIP CHANCE (%) 20 30 10
PRECIP TYPE NONE TSTMS TSTMS NONE
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 0 1
PRECIP BEGIN 4 PM CONTINUING
PRECIP END CONTINUING 11 PM
TEMP (24H TREND) 73 (0) 99 (0) 69 94
RH % (24H TREND) 85 (-3) 39 (+3) 100 47
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR N 6
MIXING HGT(M-AGL) 2400 1800
MIXING HGT(FT-AGL) 7700 6000
MIXING HGT(M-MSL) 2400 1900
MIXING HGT(FT-MSL) 8000 6200
TRANSPORT WND (M/S) W 3 N 4
TRANSPORT WND (MPH) W 7 N 9
VENT INDEX (M2/S) 7200 7600
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 91 81
500M TSPT WIND (M/S) NW 3 N 6
500M TSPT WIND (MPH) NW 6 N 13
DISPERSION INDEX 7 18 7 23
STABILITY CLASS F B F B
STAGNATION INDEX 3 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 UPPER 80S. MINIMUM RH
48 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
43 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 LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
42 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
37 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
MSZ002>006-009-013>017-022>024-210900-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 0 20 20 20
PRECIP CHANCE (%) 20 30 20
PRECIP TYPE NONE TSTMS TSTMS TSTMS
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION (HRS) 0 1 1
PRECIP BEGIN 4 PM CONTINUING 1 PM
PRECIP END CONTINUING 1 AM 6 PM
TEMP (24H TREND) 72 (0) 97 (-1) 69 94
RH % (24H TREND) 93 (+2) 38 (+1) 100 47
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR N 4
MIXING HGT(M-AGL) 2300 1700
MIXING HGT(FT-AGL) 7500 5500
MIXING HGT(M-MSL) 2400 1800
MIXING HGT(FT-MSL) 7900 5900
TRANSPORT WND (M/S) W 3 N 3
TRANSPORT WND (MPH) W 6 N 7
VENT INDEX (M2/S) 7200 5400
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 91 80
500M TSPT WIND (M/S) NW 3 N 5
500M TSPT WIND (MPH) NW 7 N 12
DISPERSION INDEX 6 18 5 19
STABILITY CLASS F B F B
STAGNATION INDEX 3 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 UPPER 80S. MINIMUM RH
50 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 47 PERCENT.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 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
43 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
38 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
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