733
FNUS54 KMEG 180830
FWFMEG
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT SAT APR 18 2026
DISCUSSION
FIRE WEATHER DANGER RETURNS ON SUNDAY AND INTO EARLY WEEK AS
MINIMUM RELATIVE HUMIDITY VALUES DROP TO 25-30%. 20FT WINDS AT
THIS TIME WILL BE LIGHT, BUT DEAD FUEL MOISTURE NEAR 10 PERCENT
MAY NECESSITATE A RANGELAND FIRE DANGER STATEMENTS. FIRE WEATHER
POTENTIAL WILL BEGIN TO DECREASE BY TUESDAY INTO WEDNESDAY AS
DEWPOINTS INCREASE.
ARZ009-018-026>028-MOZ113-115-182100-
CLAY-CRAIGHEAD-DUNKLIN-GREENE-MISSISSIPPI-PEMISCOT-POINSETT-
330 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY CLEAR
CHANCE OF THUNDER (%) 50 0 0
PRECIP CHANCE (%) 80 10
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.26 0.01 0.00
PRECIP DURATION (HRS) 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 68 (-19) 41 (-17) 69
RH % (24H TREND) 57 (+14) 80 (-20) 29
AM WIND 20FT (MPH) NE 11 G22 LGT/VAR
PM WIND 20FT (MPH) N 12 G23 N 6 W 6
MIXING HGT(M-AGL) 700 2300
MIXING HGT(FT-AGL) 2300 7600
MIXING HGT(M-MSL) 800 2400
MIXING HGT(FT-MSL) 2500 7900
TRANSPORT WND (M/S) N 10 W 8
TRANSPORT WND (MPH) N 22 W 18
VENT INDEX (M2/S) 8000 19200
CATEGORY DAY 4 5
500M MIX HGT TEMP (F) 61 57
500M TSPT WIND (M/S) N 8 W 4
500M TSPT WIND (MPH) N 19 W 9
DISPERSION INDEX 50 17 41
STABILITY CLASS D E B
STAGNATION INDEX 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 32 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 28 PERCENT.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
35 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 39 PERCENT.
SOUTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE
MID 60S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY
SUNNY. HIGHS AROUND 80. MINIMUM RH 59 PERCENT. SOUTHWEST WINDS
10 TO 15 MPH.
ARZ035-036-048-049-058-182100-
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-
330 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 50 0 0
PRECIP CHANCE (%) 90 20
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.18 0.02 0.00
PRECIP DURATION (HRS) 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 72 (-16) 43 (-21) 70
RH % (24H TREND) 65 (+23) 83 (-12) 26
AM WIND 20FT (MPH) S 8 G19 LGT/VAR
PM WIND 20FT (MPH) N 10 G20 N 6 G19 NW 4
MIXING HGT(M-AGL) 700 2000
MIXING HGT(FT-AGL) 2200 6500
MIXING HGT(M-MSL) 700 2000
MIXING HGT(FT-MSL) 2400 6700
TRANSPORT WND (M/S) N 11 NW 5
TRANSPORT WND (MPH) N 25 NW 10
VENT INDEX (M2/S) 7700 10000
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 64 57
500M TSPT WIND (M/S) NW 8 N 4
500M TSPT WIND (MPH) NW 19 N 10
DISPERSION INDEX 40 27 26
STABILITY CLASS C E B
STAGNATION INDEX 1 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 29 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. MINIMUM RH 27 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
33 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 MID 80S. MINIMUM RH 38 PERCENT.
SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.
HIGHS IN THE LOWER 80S. MINIMUM RH 57 PERCENT. SOUTH WINDS 10 TO
15 MPH.
TNZ001>004-019>022-182100-
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-
330 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY MCLEAR
CHANCE OF THUNDER (%) 50 0 0
PRECIP CHANCE (%) 90 30
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.36 0.03 0.00
PRECIP DURATION (HRS) 8 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 72 (-13) 39 (-21) 68
RH % (24H TREND) 67 (+15) 83 (-12) 29
AM WIND 20FT (MPH) SW 8 G20 LGT/VAR
PM WIND 20FT (MPH) NW 10 G22 N 6 G19 NW 5
MIXING HGT(M-AGL) 500 2100
MIXING HGT(FT-AGL) 1700 7000
MIXING HGT(M-MSL) 600 2300
MIXING HGT(FT-MSL) 2100 7400
TRANSPORT WND (M/S) N 11 NW 9
TRANSPORT WND (MPH) N 24 NW 20
VENT INDEX (M2/S) 6600 20700
CATEGORY DAY 3 5
500M MIX HGT TEMP (F) 64 56
500M TSPT WIND (M/S) NW 9 NW 4
500M TSPT WIND (MPH) NW 20 NW 9
DISPERSION INDEX 32 25 45
STABILITY CLASS C E B
STAGNATION INDEX 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 34 PERCENT.
NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 80. 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 IN THE LOWER 80S. MINIMUM RH
35 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
PARTLY 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 55 PERCENT. SOUTH WINDS 10 TO 15 MPH.
TNZ048>055-088>091-182100-
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-
330 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
CHANCE OF THUNDER (%) 50 0 0
PRECIP CHANCE (%) 90 40
PRECIP TYPE TSTMS SHOWERS NONE
PRECIP AMOUNT 0.32 0.03 0.00
PRECIP DURATION (HRS) 6 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
TEMP (24H TREND) 75 (-11) 42 (-21) 69
RH % (24H TREND) 68 (+21) 84 (-3) 26
AM WIND 20FT (MPH) SW 8 G18 LGT/VAR
PM WIND 20FT (MPH) NW 9 G20 N 7 G19 NW 5
MIXING HGT(M-AGL) 500 2000
MIXING HGT(FT-AGL) 1700 6500
MIXING HGT(M-MSL) 600 2100
MIXING HGT(FT-MSL) 2100 6900
TRANSPORT WND (M/S) N 11 NW 7
TRANSPORT WND (MPH) N 24 NW 16
VENT INDEX (M2/S) 6600 14700
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 67 56
500M TSPT WIND (M/S) W 8 N 4
500M TSPT WIND (MPH) W 18 N 10
DISPERSION INDEX 32 30 39
STABILITY CLASS C E B
STAGNATION INDEX 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. MINIMUM RH 30 PERCENT.
WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. 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
32 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 36 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 10 TO
15 MPH.
MSZ001-007-008-010>012-020-021-182100-
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-
330 AM CDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
CHANCE OF THUNDER (%) 50 50 0
PRECIP CHANCE (%) 90 50
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.24 0.06 0.00
PRECIP DURATION (HRS) 5 5
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
TEMP (24H TREND) 77 (-10) 44 (-22) 71
RH % (24H TREND) 68 (+24) 87 (+2) 26
AM WIND 20FT (MPH) SW 7 G18 NE 4
PM WIND 20FT (MPH) NW 9 G21 N 8 G21 N 5
MIXING HGT(M-AGL) 600 1800
MIXING HGT(FT-AGL) 2000 6000
MIXING HGT(M-MSL) 700 1900
MIXING HGT(FT-MSL) 2300 6200
TRANSPORT WND (M/S) NW 7 N 7
TRANSPORT WND (MPH) NW 15 N 15
VENT INDEX (M2/S) 4900 13300
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 69 57
500M TSPT WIND (M/S) W 9 NE 6
500M TSPT WIND (MPH) W 19 NE 13
DISPERSION INDEX 35 32 42
STABILITY CLASS C D B
STAGNATION INDEX 2 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 29 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. 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. 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 AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. MINIMUM RH 38 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 LOWER 80S. MINIMUM RH 56 PERCENT. SOUTH WINDS 10 TO
15 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 SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
CHANCE OF THUNDER (%) 50 50 0
PRECIP CHANCE (%) 90 80
PRECIP TYPE TSTMS TSTMS NONE
PRECIP AMOUNT 0.30 0.10 0.00
PRECIP DURATION (HRS) 3 8
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 6 AM
TEMP (24H TREND) 81 (-5) 43 (-20) 71
RH % (24H TREND) 57 (+12) 88 (+2) 25
AM WIND 20FT (MPH) SW 5 NE 5
PM WIND 20FT (MPH) W 7 G19 N 9 G19 N 6
MIXING HGT(M-AGL) 700 1800
MIXING HGT(FT-AGL) 2300 5900
MIXING HGT(M-MSL) 800 1900
MIXING HGT(FT-MSL) 2700 6300
TRANSPORT WND (M/S) SW 7 N 8
TRANSPORT WND (MPH) SW 16 N 17
VENT INDEX (M2/S) 5600 15200
CATEGORY DAY 3 4
500M MIX HGT TEMP (F) 71 56
500M TSPT WIND (M/S) SW 8 N 6
500M TSPT WIND (MPH) SW 17 N 13
DISPERSION INDEX 35 26 52
STABILITY CLASS C D B
STAGNATION INDEX 3 3 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 40S. NORTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. MINIMUM RH 28 PERCENT.
NORTHWEST WINDS AROUND 5 MPH.
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. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
32 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 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 51 PERCENT. SOUTH WINDS 5 TO
10 MPH.
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