FNUS54 KMEG 182031 FWFMEG Fire Weather Planning Forecast for the MidSouth National Weather Service Memphis TN 330 PM CDT Mon May 18 2026 .DISCUSSION... No major fire danger concerns for the foreseeable future, with minRH values remaining above 40%. Multiple rounds of showers and thunderstorms will move across the Mid-South beginning on Tuesday through the remainder of the week. ARZ009-018-026>028-MOZ113-115-190900- Clay-Craighead-Dunklin-Greene-Mississippi-Pemiscot-Poinsett- 330 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Mcldy Chance of Thunder (%) 0 50 50 50 Precip Chance (%) 10 70 70 80 Precip Type None Tstms Tstms Tstms Precip Amount 0.00 0.16 0.34 0.23 Precip Duration (hrs) 2 6 9 Precip Begin 10 AM Continuing Continuing Precip End Continuing Continuing Continuing Temp (24h trend) 71 (-5) 90 (+2) 64 77 RH % (24h trend) 83 (-2) 55 (+2) 100 72 AM Wind 20ft (mph) S 12 G23 NE 4 PM Wind 20ft (mph) S 10 G20 SW 11 G21 SW 4 NE 7 Mixing Hgt(m-agl) 1300 700 Mixing Hgt(ft-agl) 4200 2300 Mixing Hgt(m-msl) 1400 800 Mixing Hgt(ft-msl) 4400 2600 Transport Wnd (m/s) SW 10 NE 5 Transport Wnd (mph) SW 22 NE 12 Vent Index (m2/s) 14000 4000 Category Day 4 3 500m Mix Hgt Temp (F) 81 66 500m Tspt Wind (m/s) SW 10 N 6 500m Tspt Wind (mph) SW 23 N 14 Dispersion Index 26 59 18 24 Stability Class D C E C Stagnation Index 2 2 3 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...A chance of showers and thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 72 percent. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. East winds 5 to 10 mph. .FRIDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 75 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .SATURDAY...A chance of showers and thunderstorms. Partly sunny. Highs in the lower 80s. Minimum RH 68 percent. Southwest winds around 5 mph. .SATURDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...A chance of showers and thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 66 percent. Southeast winds around 5 mph. .SUNDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .MONDAY...A chance of showers and thunderstorms. Mostly cloudy. Highs in the mid 80s. Minimum RH 63 percent. South winds around 5 mph. $$ ARZ035-036-048-049-058-190900- Crittenden-Cross-Lee AR-Phillips-St. Francis- 330 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Mcldy Mcldy Chance of Thunder (%) 0 50 50 50 Precip Chance (%) 10 60 60 90 Precip Type None Tstms Tstms Tstms Precip Amount 0.00 0.13 0.32 0.42 Precip Duration (hrs) 2 3 11 Precip Begin 12 PM Continuing Continuing Precip End Continuing Continuing Continuing Temp (24h trend) 73 (-2) 90 (+2) 68 81 RH % (24h trend) 86 (-4) 52 (-1) 99 73 AM Wind 20ft (mph) S 7 G18 Lgt/Var PM Wind 20ft (mph) S 7 G18 SW 7 G17 Lgt/Var Lgt/Var Mixing Hgt(m-agl) 1300 600 Mixing Hgt(ft-agl) 4200 1800 Mixing Hgt(m-msl) 1300 600 Mixing Hgt(ft-msl) 4400 2000 Transport Wnd (m/s) S 8 E 4 Transport Wnd (mph) S 17 E 8 Vent Index (m2/s) 10400 2400 Category Day 4 2 500m Mix Hgt Temp (F) 80 71 500m Tspt Wind (m/s) SW 9 NE 5 500m Tspt Wind (mph) SW 20 NE 11 Dispersion Index 23 50 9 15 Stability Class E B E B Stagnation Index 3 3 3 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...A chance of showers and thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 75 percent. East winds around 5 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs around 80. Minimum RH 76 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds around 5 mph. .SATURDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 70 percent. South winds around 5 mph. .SATURDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds around 5 mph. .SUNDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 69 percent. Southeast winds around 5 mph. .SUNDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .MONDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 66 percent. South winds around 5 mph. $$ TNZ001>004-019>022-190900- Benton TN-Carroll-Dyer-Gibson-Henry-Lake-Obion-Weakley- 330 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Mcldy Mcldy Chance of Thunder (%) 0 50 50 50 Precip Chance (%) 20 60 80 90 Precip Type Showers Tstms Tstms Tstms Precip Amount 0.01 0.06 0.44 0.27 Precip Duration (hrs) 1 2 6 12 Precip Begin 6 PM 7 AM Continuing Continuing Precip End 11 PM Continuing Continuing Continuing Temp (24h trend) 71 (-2) 91 (+3) 65 80 RH % (24h trend) 85 (+7) 51 (+1) 100 71 AM Wind 20ft (mph) S 8 G20 Lgt/Var PM Wind 20ft (mph) S 6 G17 SW 8 G19 Lgt/Var N 4 Mixing Hgt(m-agl) 1200 500 Mixing Hgt(ft-agl) 4100 1800 Mixing Hgt(m-msl) 1400 700 Mixing Hgt(ft-msl) 4500 2200 Transport Wnd (m/s) SW 9 NE 4 Transport Wnd (mph) SW 20 NE 8 Vent Index (m2/s) 12600 2800 Category Day 4 2 500m Mix Hgt Temp (F) 80 69 500m Tspt Wind (m/s) S 9 N 4 500m Tspt Wind (mph) S 19 N 9 Dispersion Index 21 54 10 17 Stability Class E B E B Stagnation Index 3 2 2 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 69 percent. East winds around 5 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs around 80. Minimum RH 74 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SATURDAY...Showers likely and a chance of thunderstorms. Partly sunny. Highs in the lower 80s. Minimum RH 68 percent. Southwest winds around 5 mph. .SATURDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...Showers likely and a chance of thunderstorms. Partly sunny. Highs in the lower 80s. Minimum RH 65 percent. South winds around 5 mph. .SUNDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .MONDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the mid 80s. Minimum RH 63 percent. South winds around 5 mph. $$ TNZ048>055-088>091-190900- Chester-Crockett-Decatur-Fayette-Hardeman-Haywood-Henderson- Lauderdale-Madison-McNairy-Shelby-Tipton- 330 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Mcldy Chance of Thunder (%) 0 50 50 50 Precip Chance (%) 10 50 70 90 Precip Type None Tstms Tstms Tstms Precip Amount 0.00 0.05 0.32 0.38 Precip Duration (hrs) 1 6 10 Precip Begin 1 PM Continuing Continuing Precip End Continuing Continuing Continuing Temp (24h trend) 72 (-1) 90 (+2) 66 81 RH % (24h trend) 85 (+2) 49 (+1) 100 70 AM Wind 20ft (mph) S 7 G18 Lgt/Var PM Wind 20ft (mph) S 6 G17 S 7 G17 Lgt/Var Lgt/Var Mixing Hgt(m-agl) 1300 500 Mixing Hgt(ft-agl) 4100 1500 Mixing Hgt(m-msl) 1400 600 Mixing Hgt(ft-msl) 4500 1900 Transport Wnd (m/s) S 8 NW 3 Transport Wnd (mph) S 17 NW 7 Vent Index (m2/s) 11200 1800 Category Day 4 1 500m Mix Hgt Temp (F) 80 73 500m Tspt Wind (m/s) S 8 NW 3 500m Tspt Wind (mph) S 18 NW 7 Dispersion Index 18 48 9 12 Stability Class E B F B Stagnation Index 3 3 2 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...A chance of showers and thunderstorms. Mostly cloudy. Highs around 80. Minimum RH 70 percent. East winds around 5 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 72 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .SATURDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 67 percent. South winds around 5 mph. .SATURDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...Showers likely and a chance of thunderstorms. Partly sunny. Highs in the lower 80s. Minimum RH 65 percent. South winds around 5 mph. .SUNDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .MONDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the mid 80s. Minimum RH 63 percent. South winds around 5 mph. $$ MSZ001-007-008-010>012-020-021-190900- Coahoma-Desoto-Panola-Quitman-Tallahatchie-Tate-Tunica-Yalobusha- 330 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Mcldy Chance of Thunder (%) 0 50 50 50 Precip Chance (%) 10 50 60 90 Precip Type None Tstms Tstms Tstms Precip Amount 0.00 0.08 0.20 0.45 Precip Duration (hrs) 0 3 11 Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Temp (24h trend) 72 (-2) 92 (+3) 69 83 RH % (24h trend) 84 (-4) 47 (-2) 96 66 AM Wind 20ft (mph) S 6 G17 Lgt/Var PM Wind 20ft (mph) S 6 S 6 SW 4 Lgt/Var Mixing Hgt(m-agl) 1400 700 Mixing Hgt(ft-agl) 4500 2300 Mixing Hgt(m-msl) 1500 800 Mixing Hgt(ft-msl) 4800 2500 Transport Wnd (m/s) S 7 N 3 Transport Wnd (mph) S 15 N 7 Vent Index (m2/s) 10500 2400 Category Day 4 2 500m Mix Hgt Temp (F) 79 75 500m Tspt Wind (m/s) S 8 N 3 500m Tspt Wind (mph) S 17 N 6 Dispersion Index 23 43 9 12 Stability Class E B E B Stagnation Index 3 3 3 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Showers with thunderstorms likely. Highs in the lower 80s. Minimum RH 68 percent. Southeast winds around 5 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the upper 60s. South winds around 5 mph. .FRIDAY...Showers with thunderstorms likely. Highs in the lower 80s. Minimum RH 72 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph. .SATURDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 67 percent. South winds around 5 mph. .SATURDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds around 5 mph. .SUNDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 66 percent. South winds around 5 mph. .SUNDAY NIGHT...A chance of showers and thunderstorms. Mostly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .MONDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the mid 80s. Minimum RH 64 percent. South winds around 5 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 Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Chance of Thunder (%) 0 20 50 50 Precip Chance (%) 20 60 90 Precip Type None Tstms Tstms Tstms Precip Amount 0.00 0.03 0.11 0.31 Precip Duration (hrs) 0 2 11 Precip Begin 2 PM Continuing Continuing Precip End Continuing Continuing Continuing Temp (24h trend) 71 (0) 91 (+3) 67 84 RH % (24h trend) 88 (0) 46 (-1) 99 65 AM Wind 20ft (mph) S 5 Lgt/Var PM Wind 20ft (mph) S 4 S 6 Lgt/Var Lgt/Var Mixing Hgt(m-agl) 1400 600 Mixing Hgt(ft-agl) 4500 1900 Mixing Hgt(m-msl) 1500 700 Mixing Hgt(ft-msl) 4900 2300 Transport Wnd (m/s) S 6 NW 3 Transport Wnd (mph) S 14 NW 7 Vent Index (m2/s) 9000 2100 Category Day 4 2 500m Mix Hgt Temp (F) 80 77 500m Tspt Wind (m/s) S 6 W 4 500m Tspt Wind (mph) S 14 W 8 Dispersion Index 12 41 7 13 Stability Class E B F B Stagnation Index 3 3 3 1 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...A chance of showers and thunderstorms. Partly sunny. Highs in the lower 80s. Minimum RH 68 percent. Southeast winds around 5 mph. .THURSDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 71 percent. South winds 5 to 10 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 68 percent. South winds around 5 mph. .SATURDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 66 percent. South winds around 5 mph. .SUNDAY NIGHT...A chance of showers. Mostly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .MONDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the mid 80s. Minimum RH 64 percent. South winds around 5 mph. $$