580
FNUS54 KMEG 182031
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 PM CDT SAT APR 18 2026
DISCUSSION
FIRE WEATHER CONCERNS WILL BE ON THE RISE THROUGH TUESDAY AS
MINRH DROPS TO 25-30% EACH DAY. RECENT WETTING RAINS WILL NEGATE
THE NEED FOR A RANGELAND FIRE DANGER STATEMENT THROUGH MONDAY.
HOWEVER, INCREASING 20FT WINDS AND DEAD FUEL MOISTURE NEAR
10 PERCENT MAY LEAD TO FIRE WEATHER PRODUCTS ON TUESDAY. ELEVATED
DEWPOINTS RETURN WEDNESDAY, ENDING FIRE WEATHER CONCERNS.
ARZ009-018-026>028-MOZ113-115-190900-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY CLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 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) 41 (-20) 70 (+4) 45 75
RH % (24H TREND) 83 (-14) 30 (-32) 82 30
AM WIND 20FT (MPH) LGT/VAR N 4
PM WIND 20FT (MPH) N 6 W 6 LGT/VAR SW 4
MIXING HGT(M-AGL) 2200 1600
MIXING HGT(FT-AGL) 7200 5100
MIXING HGT(M-MSL) 2300 1600
MIXING HGT(FT-MSL) 7500 5300
TRANSPORT WND (M/S) W 8 W 4
TRANSPORT WND (MPH) W 17 W 8
VENT INDEX (M2/S) 18400 6400
CATEGORY DAY 5 3
500M MIX HGT TEMP (F) 58 59
500M TSPT WIND (M/S) W 4 NE 4
500M TSPT WIND (MPH) W 9 NE 9
DISPERSION INDEX 12 47 12 21
STABILITY CLASS E B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
29 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 37 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 41 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
10 TO 15 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 61 PERCENT. SOUTH WINDS
10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY. MOSTLY CLOUDY. LOWS IN THE UPPER
50S. SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER
70S. MINIMUM RH 56 PERCENT. NORTH WINDS 5 TO 10 MPH.
ARZ035-036-048-049-058-190900-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY CLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 20
PRECIP TYPE SHOWERS NONE NONE NONE
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION (HRS) 0
PRECIP BEGIN 6 PM
PRECIP END 10 PM
TEMP (24H TREND) 43 (-20) 70 (+1) 47 76
RH % (24H TREND) 85 (-10) 28 (-40) 75 28
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) N 6 G18 LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 2000 2000
MIXING HGT(FT-AGL) 6500 6400
MIXING HGT(M-MSL) 2000 2000
MIXING HGT(FT-MSL) 6700 6600
TRANSPORT WND (M/S) NW 5 SW 4
TRANSPORT WND (MPH) NW 12 SW 8
VENT INDEX (M2/S) 10000 8000
CATEGORY DAY 4 4
500M MIX HGT TEMP (F) 58 66
500M TSPT WIND (M/S) N 3 W 5
500M TSPT WIND (MPH) N 8 W 11
DISPERSION INDEX 26 36 9 21
STABILITY CLASS E B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 28 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
35 PERCENT. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 40 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS AROUND 80. MINIMUM RH 58 PERCENT. SOUTH WINDS 10 TO
15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE MID
70S. MINIMUM RH 56 PERCENT. NORTH WINDS 5 TO 10 MPH.
TNZ001>004-019>022-190900-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 30
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) 38 (-22) 68 (+1) 43 74
RH % (24H TREND) 87 (-10) 29 (-41) 81 32
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) N 5 G18 NW 5 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 2000 1400
MIXING HGT(FT-AGL) 6600 4700
MIXING HGT(M-MSL) 2100 1500
MIXING HGT(FT-MSL) 7000 5100
TRANSPORT WND (M/S) NW 8 NW 4
TRANSPORT WND (MPH) NW 18 NW 8
VENT INDEX (M2/S) 16800 6000
CATEGORY DAY 5 3
500M MIX HGT TEMP (F) 56 55
500M TSPT WIND (M/S) NW 4 NE 4
500M TSPT WIND (MPH) NW 9 NE 9
DISPERSION INDEX 27 53 12 24
STABILITY CLASS E B F B
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH
31 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 37 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 37 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE UPPER 70S. MINIMUM RH 58 PERCENT. SOUTH WINDS 10 TO
15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY. MOSTLY CLOUDY. LOWS IN THE UPPER
50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE MID
70S. MINIMUM RH 55 PERCENT. WEST WINDS 5 TO 10 MPH.
TNZ048>055-088>091-190900-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 40
PRECIP TYPE SHOWERS NONE NONE NONE
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
TEMP (24H TREND) 39 (-22) 69 (-1) 44 76
RH % (24H TREND) 86 (-8) 27 (-44) 78 29
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) N 6 G18 NW 5 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1900 1700
MIXING HGT(FT-AGL) 6300 5400
MIXING HGT(M-MSL) 2000 1800
MIXING HGT(FT-MSL) 6700 5800
TRANSPORT WND (M/S) NW 8 NW 4
TRANSPORT WND (MPH) NW 17 NW 9
VENT INDEX (M2/S) 16000 7200
CATEGORY DAY 5 3
500M MIX HGT TEMP (F) 56 62
500M TSPT WIND (M/S) N 4 NW 5
500M TSPT WIND (MPH) N 9 NW 11
DISPERSION INDEX 31 48 10 28
STABILITY CLASS E B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND
5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 28 PERCENT.
SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
33 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 35 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS AROUND 80. MINIMUM RH 56 PERCENT. SOUTH WINDS 10 TO 15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY. MOSTLY CLOUDY. LOWS IN THE UPPER
50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE MID
70S. MINIMUM RH 56 PERCENT. WEST WINDS 5 TO 10 MPH.
MSZ001-007-008-010>012-020-021-190900-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 0 0 0 0
PRECIP CHANCE (%) 50
PRECIP TYPE SHOWERS NONE NONE NONE
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION (HRS) 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
TEMP (24H TREND) 43 (-25) 71 (-2) 44 77
RH % (24H TREND) 87 (+2) 27 (-46) 78 28
AM WIND 20FT (MPH) LGT/VAR LGT/VAR
PM WIND 20FT (MPH) N 8 G22 N 4 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1800 1900
MIXING HGT(FT-AGL) 5900 6400
MIXING HGT(M-MSL) 1900 2000
MIXING HGT(FT-MSL) 6100 6600
TRANSPORT WND (M/S) N 6 W 3
TRANSPORT WND (MPH) N 14 W 6
VENT INDEX (M2/S) 11400 6000
CATEGORY DAY 4 3
500M MIX HGT TEMP (F) 57 66
500M TSPT WIND (M/S) N 5 W 5
500M TSPT WIND (MPH) N 12 W 10
DISPERSION INDEX 34 47 5 20
STABILITY CLASS E B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND
5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 28 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
34 PERCENT. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 38 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 56 PERCENT. SOUTH WINDS 10 TO
15 MPH.
FRIDAY NIGHT
SHOWERS LIKELY. MOSTLY CLOUDY. LOWS IN THE LOWER
60S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 54 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
MSZ002>006-009-013>017-022>024-190900-
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-
330 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR CLEAR
CHANCE OF THUNDER (%) 50 0 0 0
PRECIP CHANCE (%) 60
PRECIP TYPE TSTMS NONE NONE NONE
PRECIP AMOUNT 0.07 0.00 0.00 0.00
PRECIP DURATION (HRS) 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
TEMP (24H TREND) 42 (-24) 71 (-4) 42 77
RH % (24H TREND) 88 (+3) 24 (-47) 82 27
AM WIND 20FT (MPH) N 4 LGT/VAR
PM WIND 20FT (MPH) N 9 G20 N 5 LGT/VAR LGT/VAR
MIXING HGT(M-AGL) 1700 1900
MIXING HGT(FT-AGL) 5700 6400
MIXING HGT(M-MSL) 1900 2100
MIXING HGT(FT-MSL) 6100 6800
TRANSPORT WND (M/S) N 8 NW 4
TRANSPORT WND (MPH) N 17 NW 8
VENT INDEX (M2/S) 15200 8400
CATEGORY DAY 4 4
500M MIX HGT TEMP (F) 56 65
500M TSPT WIND (M/S) N 6 W 5
500M TSPT WIND (MPH) N 14 W 12
DISPERSION INDEX 27 56 6 29
STABILITY CLASS D B F A
STAGNATION INDEX 3 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
28 PERCENT. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
32 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 35 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY SUNNY.
HIGHS IN THE LOWER 80S. MINIMUM RH 53 PERCENT. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
SHOWERS LIKELY. MOSTLY CLOUDY. LOWS AROUND 60.
SOUTH WINDS 5 TO 10 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER
70S. MINIMUM RH 55 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
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