549
FNUS54 KMEG 180830
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT TUE AUG 18 2026
DISCUSSION
FIRE DANGER IS EXPECTED TO REMAIN LOW THROUGH THE PERIOD DUE TO
LIGHT 20 FT WINDS, ALTHOUGH MINIMUM RELATIVE HUMIDITY VALUES MAY
DROP BELOW 40% IN SOME AREAS ON WEDNESDAY. FOG POTENTIAL REMAINS
LOW DUE TO DRY SOILS WITH THE EXCEPTION OF NORTH MISSISSIPPI
TUESDAY MORNING DUE TO RECENT LOCALIZED RAINFALL.
ARZ009-018-026>028-MOZ113-115-182100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR CLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 20
PRECIP CHANCE (%) 20
PRECIP TYPE NONE NONE TSTMS
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION (HRS) 1
PRECIP BEGIN 7 AM
PRECIP END 1 PM
TEMP (24H TREND) 94 (+2) 71 (-1) 100
RH % (24H TREND) 45 (-12) 90 (-6) 40
AM WIND 20FT (MPH) LGT/VAR SE 4
PM WIND 20FT (MPH) LGT/VAR LGT/VAR SE 5
MIXING HGT(M-AGL) 1300 1200
MIXING HGT(FT-AGL) 4200 3800
MIXING HGT(M-MSL) 1400 1200
MIXING HGT(FT-MSL) 4400 4000
TRANSPORT WND (M/S) N 2 S 4
TRANSPORT WND (MPH) N 3 S 9
VENT INDEX (M2/S) 2800 4800
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 82 87
500M TSPT WIND (M/S) NE 3 SE 7
500M TSPT WIND (MPH) NE 6 SE 16
DISPERSION INDEX 12 10 31
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 60 PERCENT. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 53 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
CLEAR. LOWS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 44 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
44 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
ARZ035-036-048-049-058-182100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 20 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 98 (+2) 74 (-1) 103
RH % (24H TREND) 44 (-8) 90 (-6) 34
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1500 2200
MIXING HGT(FT-AGL) 5000 7100
MIXING HGT(M-MSL) 1600 2200
MIXING HGT(FT-MSL) 5200 7300
TRANSPORT WND (M/S) NW 3 W 5
TRANSPORT WND (MPH) NW 6 W 10
VENT INDEX (M2/S) 4800 11000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 85 96
500M TSPT WIND (M/S) NE 4 SW 4
500M TSPT WIND (MPH) NE 8 SW 10
DISPERSION INDEX 15 8 31
STABILITY CLASS A F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN
THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
49 PERCENT. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 48 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
CLEAR. LOWS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 41 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 38 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
39 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
TNZ001>004-019>022-182100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY
CHANCE OF THUNDER (%) 0 0 20
PRECIP CHANCE (%) 30
PRECIP TYPE NONE NONE TSTMS
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION (HRS) 1
PRECIP BEGIN 7 AM
PRECIP END 12 PM
TEMP (24H TREND) 91 (0) 67 (-3) 97
RH % (24H TREND) 45 (-17) 97 (-2) 45
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1100 1000
MIXING HGT(FT-AGL) 3600 3300
MIXING HGT(M-MSL) 1200 1100
MIXING HGT(FT-MSL) 4000 3700
TRANSPORT WND (M/S) N 3 SE 4
TRANSPORT WND (MPH) N 6 SE 8
VENT INDEX (M2/S) 3600 4400
CATEGORY DAY 2 3
500M MIX HGT TEMP (F) 80 83
500M TSPT WIND (M/S) N 3 SE 5
500M TSPT WIND (MPH) N 6 SE 12
DISPERSION INDEX 19 7 23
STABILITY CLASS A F B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND
5 MPH.
THURSDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 66 PERCENT. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 59 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 90. MINIMUM RH 52 PERCENT. NORTH
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 50 PERCENT.
NORTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. MINIMUM RH 48 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
TNZ048>055-088>091-182100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 20
PRECIP TYPE NONE NONE SHOWERS
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION (HRS) 1
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
TEMP (24H TREND) 94 (-1) 68 (-4) 100
RH % (24H TREND) 44 (-13) 94 (-4) 40
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1300 1800
MIXING HGT(FT-AGL) 4300 6100
MIXING HGT(M-MSL) 1400 2000
MIXING HGT(FT-MSL) 4700 6500
TRANSPORT WND (M/S) NW 3 SW 4
TRANSPORT WND (MPH) NW 7 SW 8
VENT INDEX (M2/S) 4200 8000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 81 87
500M TSPT WIND (M/S) N 3 SE 6
500M TSPT WIND (MPH) N 7 SE 13
DISPERSION INDEX 21 7 29
STABILITY CLASS A F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN
THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE LOWER 90S. MINIMUM RH 60 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
57 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 48 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 46 PERCENT.
NORTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
45 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
MSZ001-007-008-010>012-020-021-182100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 10 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 98 (-2) 74 (-2) 102
RH % (24H TREND) 45 (+2) 91 (-6) 37
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1600 2600
MIXING HGT(FT-AGL) 5300 8600
MIXING HGT(M-MSL) 1700 2700
MIXING HGT(FT-MSL) 5500 8900
TRANSPORT WND (M/S) NW 4 W 4
TRANSPORT WND (MPH) NW 8 W 8
VENT INDEX (M2/S) 6800 10800
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 87 95
500M TSPT WIND (M/S) NE 3 SW 4
500M TSPT WIND (MPH) NE 6 SW 8
DISPERSION INDEX 19 7 28
STABILITY CLASS A F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 49 PERCENT.
NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 41 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 90S. MINIMUM RH 39 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. MINIMUM RH
41 PERCENT. SOUTH WINDS AROUND 5 MPH.
MSZ002>006-009-013>017-022>024-182100-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
CHANCE OF THUNDER (%) 0 0 0
PRECIP CHANCE (%) 10 10 10
PRECIP TYPE NONE NONE NONE
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION (HRS)
PRECIP BEGIN
PRECIP END
TEMP (24H TREND) 96 (-5) 70 (-4) 100
RH % (24H TREND) 44 (+3) 96 (-3) 36
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1600 2400
MIXING HGT(FT-AGL) 5200 7900
MIXING HGT(M-MSL) 1700 2500
MIXING HGT(FT-MSL) 5600 8300
TRANSPORT WND (M/S) NW 4 W 3
TRANSPORT WND (MPH) NW 9 W 7
VENT INDEX (M2/S) 6800 7500
CATEGORY DAY 3 3
500M MIX HGT TEMP (F) 84 90
500M TSPT WIND (M/S) N 3 SE 4
500M TSPT WIND (MPH) N 6 SE 8
DISPERSION INDEX 23 5 27
STABILITY CLASS A F A
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY SUNNY.
HIGHS IN THE MID 90S. MINIMUM RH 53 PERCENT. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS IN THE
LOWER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
53 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS AROUND
5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 44 PERCENT.
NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 42 PERCENT.
NORTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
42 PERCENT. SOUTH WINDS AROUND 5 MPH.
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