FNUS54 KMEG 180830 FWFMEG Fire Weather Planning Forecast for the MidSouth National Weather Service Memphis TN 330 AM 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-MOZ113-115-182100- Clay-Craighead-Dunklin-Greene-Mississippi-Pemiscot-Poinsett- 330 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 20 0 50 Precip Chance (%) 30 20 60 Precip Type Tstms Showers Tstms Precip Amount 0.02 0.01 0.06 Precip Duration (hrs) 1 1 5 Precip Begin 7 AM Continuing 6 AM Precip End Continuing 5 AM Continuing Temp (24h trend) 88 (0) 71 (0) 89 RH % (24h trend) 49 (-1) 86 (-1) 56 AM Wind 20ft (mph) S 13 G23 S 12 G23 PM Wind 20ft (mph) S 14 G23 S 10 G20 SW 11 G22 Mixing Hgt(m-agl) 1200 1500 Mixing Hgt(ft-agl) 4000 4800 Mixing Hgt(m-msl) 1300 1500 Mixing Hgt(ft-msl) 4300 5000 Transport Wnd (m/s) S 10 SW 9 Transport Wnd (mph) S 23 SW 20 Vent Index (m2/s) 13000 13500 Category Day 4 4 500m Mix Hgt Temp (F) 81 81 500m Tspt Wind (m/s) S 10 SW 10 500m Tspt Wind (mph) S 22 SW 23 Dispersion Index 64 28 59 Stability Class C E C Stagnation Index 2 2 2 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers likely. Mostly cloudy. Highs in the mid 70s. Minimum RH 69 percent. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...A chance of showers. Mostly cloudy. Lows around 60. Northeast winds 5 to 10 mph. .THURSDAY...A chance of showers. Mostly cloudy. Highs in the upper 70s. Minimum RH 68 percent. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. .FRIDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 69 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...A chance of showers and thunderstorms. Mostly cloudy. Highs in the lower 80s. Minimum RH 64 percent. Southwest winds around 5 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 59 percent. Southeast winds around 5 mph. $$ ARZ035-036-048-049-058-182100- Crittenden-Cross-Lee AR-Phillips-St. Francis- 330 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 0 20 20 Precip Chance (%) 10 20 60 Precip Type None Tstms Tstms Precip Amount 0.00 0.01 0.06 Precip Duration (hrs) 1 4 Precip Begin 7 PM Continuing Precip End Continuing Continuing Temp (24h trend) 88 (0) 73 (+2) 89 RH % (24h trend) 50 (-3) 88 (-1) 54 AM Wind 20ft (mph) S 8 G19 S 7 G19 PM Wind 20ft (mph) S 9 G20 S 7 G18 S 7 G17 Mixing Hgt(m-agl) 1200 1500 Mixing Hgt(ft-agl) 4100 4900 Mixing Hgt(m-msl) 1300 1600 Mixing Hgt(ft-msl) 4300 5100 Transport Wnd (m/s) S 10 SW 8 Transport Wnd (mph) S 22 SW 17 Vent Index (m2/s) 13000 12800 Category Day 4 4 500m Mix Hgt Temp (F) 80 81 500m Tspt Wind (m/s) S 10 S 9 500m Tspt Wind (mph) S 22 S 20 Dispersion Index 58 24 49 Stability Class C E B Stagnation Index 2 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the upper 70s. Minimum RH 74 percent. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph. .THURSDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 72 percent. Northeast winds around 5 mph. .THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. East winds around 5 mph. .FRIDAY...Showers likely and a chance of thunderstorms. Mostly cloudy. Highs in the upper 70s. Minimum RH 71 percent. South winds around 5 mph. .FRIDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. South winds around 5 mph. .SATURDAY...A chance of showers and 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 upper 60s. South winds around 5 mph. .SUNDAY...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 62 percent. Southeast winds around 5 mph. $$ TNZ001>004-019>022-182100- Benton TN-Carroll-Dyer-Gibson-Henry-Lake-Obion-Weakley- 330 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 20 0 50 Precip Chance (%) 20 10 50 Precip Type Tstms None Tstms Precip Amount 0.01 0.00 0.06 Precip Duration (hrs) 1 2 Precip Begin 7 AM 6 AM Precip End 6 PM Continuing Temp (24h trend) 89 (+1) 71 (+3) 90 RH % (24h trend) 46 (+4) 88 (+4) 53 AM Wind 20ft (mph) S 8 G21 S 8 G21 PM Wind 20ft (mph) S 9 G21 S 6 G18 S 8 G19 Mixing Hgt(m-agl) 1100 1500 Mixing Hgt(ft-agl) 3600 4800 Mixing Hgt(m-msl) 1200 1600 Mixing Hgt(ft-msl) 4000 5200 Transport Wnd (m/s) S 9 SW 8 Transport Wnd (mph) S 21 SW 18 Vent Index (m2/s) 10800 12800 Category Day 4 4 500m Mix Hgt Temp (F) 79 81 500m Tspt Wind (m/s) S 9 SW 9 500m Tspt Wind (mph) S 21 SW 20 Dispersion Index 55 21 56 Stability Class C E C Stagnation Index 2 3 2 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the upper 70s. Minimum RH 69 percent. North winds 5 to 10 mph. .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 66 percent. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs around 80. Minimum RH 69 percent. South winds around 5 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. Mostly cloudy. Highs in the lower 80s. Minimum RH 64 percent. Southwest winds around 5 mph. .SATURDAY NIGHT...A chance of showers. Partly cloudy. Lows in the mid 60s. South winds around 5 mph. .SUNDAY...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 59 percent. South winds around 5 mph. $$ TNZ048>055-088>091-182100- Chester-Crockett-Decatur-Fayette-Hardeman-Haywood-Henderson- Lauderdale-Madison-McNairy-Shelby-Tipton- 330 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 0 0 40 Precip Chance (%) 10 20 40 Precip Type None Showers Tstms Precip Amount 0.00 0.00 0.05 Precip Duration (hrs) 1 1 Precip Begin 8 PM 12 PM Precip End 6 AM Continuing Temp (24h trend) 88 (+1) 70 (+2) 89 RH % (24h trend) 46 (0) 87 (+1) 51 AM Wind 20ft (mph) S 8 G19 S 7 G19 PM Wind 20ft (mph) S 9 G19 S 6 G17 S 7 G17 Mixing Hgt(m-agl) 1100 1600 Mixing Hgt(ft-agl) 3600 5300 Mixing Hgt(m-msl) 1200 1700 Mixing Hgt(ft-msl) 4000 5700 Transport Wnd (m/s) S 8 SW 7 Transport Wnd (mph) S 18 SW 16 Vent Index (m2/s) 9600 11900 Category Day 4 4 500m Mix Hgt Temp (F) 78 80 500m Tspt Wind (m/s) S 9 S 8 500m Tspt Wind (mph) S 20 S 18 Dispersion Index 50 20 50 Stability Class C E B Stagnation Index 2 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs around 80. Minimum RH 70 percent. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Showers likely. 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 68 percent. Northeast winds around 5 mph. .THURSDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. East winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Highs around 80. Minimum RH 67 percent. South winds around 5 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. Mostly cloudy. Highs in the lower 80s. Minimum RH 64 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...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 59 percent. South winds around 5 mph. $$ MSZ001-007-008-010>012-020-021-182100- Coahoma-Desoto-Panola-Quitman-Tallahatchie-Tate-Tunica-Yalobusha- 330 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 0 0 20 Precip Chance (%) 10 20 40 Precip Type None Showers Tstms Precip Amount 0.00 0.01 0.06 Precip Duration (hrs) 1 1 Precip Begin 7 PM 12 PM Precip End 5 AM Continuing Temp (24h trend) 90 (+3) 71 (+1) 91 RH % (24h trend) 47 (-7) 87 (0) 50 AM Wind 20ft (mph) S 7 G18 S 6 G18 PM Wind 20ft (mph) S 9 G19 S 6 G17 S 6 Mixing Hgt(m-agl) 1300 1500 Mixing Hgt(ft-agl) 4200 5000 Mixing Hgt(m-msl) 1400 1600 Mixing Hgt(ft-msl) 4500 5300 Transport Wnd (m/s) S 9 S 7 Transport Wnd (mph) S 20 S 15 Vent Index (m2/s) 12600 11200 Category Day 4 4 500m Mix Hgt Temp (F) 79 80 500m Tspt Wind (m/s) S 8 S 8 500m Tspt Wind (mph) S 18 S 17 Dispersion Index 52 24 45 Stability Class C E B Stagnation Index 2 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 67 percent. East winds around 5 mph. .WEDNESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Showers and a chance of thunderstorms. Highs around 80. Minimum RH 68 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 68 percent. South winds around 5 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 65 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...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 60 percent. Southeast 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 Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Chance of Thunder (%) 0 0 20 Precip Chance (%) 10 10 30 Precip Type None None Tstms Precip Amount 0.00 0.00 0.03 Precip Duration (hrs) 1 Precip Begin 12 PM Precip End Continuing Temp (24h trend) 88 (+1) 70 (+4) 89 RH % (24h trend) 47 (+3) 93 (+2) 48 AM Wind 20ft (mph) S 6 S 5 PM Wind 20ft (mph) S 7 S 4 S 6 Mixing Hgt(m-agl) 1200 1600 Mixing Hgt(ft-agl) 4000 5200 Mixing Hgt(m-msl) 1400 1700 Mixing Hgt(ft-msl) 4400 5600 Transport Wnd (m/s) S 8 S 6 Transport Wnd (mph) S 17 S 14 Vent Index (m2/s) 11200 10200 Category Day 4 4 500m Mix Hgt Temp (F) 78 79 500m Tspt Wind (m/s) S 7 S 7 500m Tspt Wind (mph) S 15 S 15 Dispersion Index 44 11 43 Stability Class B E B Stagnation Index 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Showers likely and a chance of thunderstorms. Mostly cloudy. Lows in the upper 60s. South winds around 5 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 66 percent. East winds around 5 mph. .WEDNESDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 69 percent. East 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 68 percent. South winds around 5 mph. .FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in the mid 60s. South winds around 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Highs in the lower 80s. Minimum RH 65 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...A chance of showers and thunderstorms. Partly sunny. Highs in the mid 80s. Minimum RH 61 percent. South winds around 5 mph. $$