FNUS54 KJAN 181937 FWFJAN Fire Weather Planning Forecast For Extreme Southeast Arkansas, Northeast Louisiana, and Central Mississippi National Weather Service Jackson MS 237 PM CDT Mon May 18 2026 .DISCUSSION...A warm moist airmass will remain over the area through the week. Chances for showers and storms increase areawide late Tuesday afternoon into Wednesday as a frontal boundary moves east toward the area and stalls. An isolated severe storm will be possible mainly Tuesday night ahead of this front, across the Delta region. Good rain chances will persist across the area into the upcoming weekend, as the area remains in this warm, moist, and unstable airmass. Rainfall totals through Saturday across mainly northern and western districts, and portions of central districts will generally hover between 1-3 inches, with some locally higher amounts possible. Patchy fog will be possible across mainly the Pine Belt region early Tuesday morning. ARZ074-075-190900- Ashley-Chicot- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, and Eudora 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 50 70 80 Temp (24H Trend) 73 (-2) 90 (+1) 68 83 RH % (24H Trend) 89 (0) 50 (-3) 99 67 20ftWnd-AM(mph) S 7 Lgt/Var 20ftWnd-PM(mph) S 5 S 6 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 5 11 Rain Amount(ins) 0.00 0.17 0.51 0.48 SILT/500m MLT (F) 78 78 Mixing Hgt(m AGL) 1490 1250 Mixing Hgt(ft AGL) 4890 4120 Transport Wnd (m/s) S 7 E 4 Transport Wnd (mph) S 15 E 8 Vent Index (metric) 10430 5000 Vent Index (English) 73350 32960 Stag Index 3 3 3 1 Category Day 4 3 Stability E B F A Wind Shifts Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 5 10 Dispersion Index 10 78 3 32 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. East winds around 5 mph. .FRIDAY...Showers with thunderstorms likely. Lows in the upper 60s. Highs in the lower 80s. Southwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$ MSZ018-019-025>027-034>036-190900- Bolivar-Sunflower-Leflore-Grenada-Carroll-Washington-Humphreys- Holmes- Including the cities of Cleveland, Indianola, Ruleville, Greenwood, Grenada, Vaiden, North Carrollton, Carrollton, Greenville, Belzoni, Isola, Durant, Tchula, Lexington, Pickens, and Goodman 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 40 50 80 Temp (24H Trend) 73 (0) 91 (+2) 69 85 RH % (24H Trend) 88 (-5) 47 (-3) 97 64 20ftWnd-AM(mph) S 7 Lgt/Var 20ftWnd-PM(mph) S 6 G17 S 7 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 2 12 Rain Amount(ins) 0.00 0.10 0.28 0.37 SILT/500m MLT (F) 78 78 Mixing Hgt(m AGL) 1660 1260 Mixing Hgt(ft AGL) 5450 4130 Transport Wnd (m/s) S 6 W 3 Transport Wnd (mph) S 14 W 7 Vent Index (metric) 9960 3780 Vent Index (English) 76300 28910 Stag Index 3 3 3 1 Category Day 4 2 Stability E B F A Wind Shifts Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 5 10 Dispersion Index 11 73 3 24 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. East winds around 5 mph. .FRIDAY...Showers with thunderstorms likely. Lows in the upper 60s. Highs in the lower 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds 5 to 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$ MSZ028>033-037>039-190900- Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-Attala-Winston- Noxubee- Including the cities of Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Kosciusko, Louisville, Macon, and Brooksville 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 20 40 60 Temp (24H Trend) 71 (+1) 90 (+2) 68 85 RH % (24H Trend) 92 (-6) 49 (-2) 99 61 20ftWnd-AM(mph) Lgt/Var Lgt/Var 20ftWnd-PM(mph) Lgt/Var S 5 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 2 9 Rain Amount(ins) 0.00 0.02 0.06 0.19 SILT/500m MLT (F) 78 80 Mixing Hgt(m AGL) 1700 1700 Mixing Hgt(ft AGL) 5580 5570 Transport Wnd (m/s) S 5 SW 4 Transport Wnd (mph) S 12 SW 8 Vent Index (metric) 8500 6800 Vent Index (English) 66960 44560 Stag Index 3 3 3 1 Category Day 4 3 Stability F A-B F A Wind Shifts Precip Begin 1 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 6 10 Dispersion Index 6 63 3 39 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Light winds. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$ MSZ040>044-047>050-190900- Issaquena-Sharkey-Yazoo-Madison MS-Leake-Warren-Hinds-Rankin- Scott- Including the cities of Mayersville, Rolling Fork, Anguilla, Yazoo City, Ridgeland, Madison, Canton, Carthage, Vicksburg, Jackson, Pearl, Brandon, Richland, Forest, and Morton 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 30 40 70 Temp (24H Trend) 71 (0) 89 (+1) 69 86 RH % (24H Trend) 92 (-5) 54 (-1) 99 62 20ftWnd-AM(mph) S 5 Lgt/Var 20ftWnd-PM(mph) S 5 S 6 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 2 6 Rain Amount(ins) 0.00 0.04 0.18 0.22 SILT/500m MLT (F) 77 80 Mixing Hgt(m AGL) 1480 1510 Mixing Hgt(ft AGL) 4870 4970 Transport Wnd (m/s) S 6 S 3 Transport Wnd (mph) S 13 S 6 Vent Index (metric) 8880 4530 Vent Index (English) 63310 29820 Stag Index 3 3 3 1 Category Day 4 3 Stability E A-B F A Wind Shifts Precip Begin 1 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 6 9 Dispersion Index 8 58 3 29 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. East winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$ MSZ045-046-051-052-057-058-190900- Neshoba-Kemper-Newton-Lauderdale-Jasper-Clarke- Including the cities of Philadelphia, Pearl River, De Kalb, Scooba, Newton, Union, Decatur, Conehatta, Meridian, Bay Springs, Heidelberg, Quitman, Stonewall, and Shubuta 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None None Tstms Tstms Chance Precip (%) 0 20 20 40 Temp (24H Trend) 70 (+5) 89 (+1) 68 87 RH % (24H Trend) 92 (-7) 50 (-3) 96 54 20ftWnd-AM(mph) S 5 Lgt/Var 20ftWnd-PM(mph) Lgt/Var S 5 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 2 Rain Amount(ins) 0.00 0.00 0.02 0.02 SILT/500m MLT (F) 76 81 Mixing Hgt(m AGL) 1640 1860 Mixing Hgt(ft AGL) 5370 6110 Transport Wnd (m/s) S 5 SW 3 Transport Wnd (mph) S 10 SW 7 Vent Index (metric) 8200 5580 Vent Index (English) 53700 42770 Stag Index 3 3 3 3 Category Day 4 3 Stability F A-B F A Wind Shifts Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 8 9 Dispersion Index 5 58 3 43 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$ MSZ053-054-059>062-190900- Claiborne-Copiah-Jefferson-Adams-Franklin MS-Lincoln- Including the cities of Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Natchez, Bude, Roxie, Meadville, and Brookhaven 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 40 40 70 Temp (24H Trend) 73 (+1) 90 (+2) 70 86 RH % (24H Trend) 92 (-3) 59 (+1) 97 65 20ftWnd-AM(mph) SE 5 Lgt/Var 20ftWnd-PM(mph) Lgt/Var S 5 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 2 6 Rain Amount(ins) 0.00 0.06 0.19 0.25 SILT/500m MLT (F) 77 80 Mixing Hgt(m AGL) 1370 1180 Mixing Hgt(ft AGL) 4490 3870 Transport Wnd (m/s) S 6 S 3 Transport Wnd (mph) S 13 S 6 Vent Index (metric) 8220 3540 Vent Index (English) 58370 23220 Stag Index 3 3 3 3 Category Day 4 2 Stability F A-B F A Wind Shifts Precip Begin 7 PM 1 PM Continuing Continuing Precip End 8 PM Continuing Continuing Continuing Maximum LVORI 6 9 Dispersion Index 7 52 3 24 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Southeast winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the lower 80s. South winds around 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. South winds around 5 mph. $$ MSZ055-056-063>066-072>074-190900- Simpson-Smith-Lawrence-Jefferson Davis-Covington-Jones-Marion- Lamar-Forrest- Including the cities of Magee, Mendenhall, Taylorsville, Raleigh, Monticello, New Hebron, Prentiss, Bassfield, Collins, Mount Olive, Laurel, Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 20 20 50 Temp (24H Trend) 71 (+3) 89 (+1) 69 89 RH % (24H Trend) 96 (-4) 55 (-3) 99 55 20ftWnd-AM(mph) Lgt/Var Lgt/Var 20ftWnd-PM(mph) Lgt/Var S 5 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 1 2 Rain Amount(ins) 0.00 0.01 0.02 0.09 SILT/500m MLT (F) 77 80 Mixing Hgt(m AGL) 1550 1720 Mixing Hgt(ft AGL) 5080 5650 Transport Wnd (m/s) S 5 S 3 Transport Wnd (mph) S 12 S 6 Vent Index (metric) 7750 5160 Vent Index (English) 60960 33900 Stag Index 3 3 3 3 Category Day 3 3 Stability F A-B F A Wind Shifts Precip Begin 1 PM Continuing 7 AM Precip End Continuing 12 AM Continuing Maximum LVORI 8 9 Dispersion Index 6 49 3 34 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s. South winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. South winds around 5 mph. $$ LAZ023>026-190900- Franklin LA-Catahoula-Tensas-Concordia- Including the cities of Winnsboro, Jonesville, Harrisonburg, Newellton, St. Joseph, Waterproof, Vidalia, Ferriday, and West Ferriday 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 40 60 70 Temp (24H Trend) 73 (-1) 90 (+1) 70 86 RH % (24H Trend) 89 (-4) 57 (-3) 95 67 20ftWnd-AM(mph) S 7 Lgt/Var 20ftWnd-PM(mph) SE 6 S 7 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 3 6 Rain Amount(ins) 0.00 0.08 0.28 0.29 SILT/500m MLT (F) 78 79 Mixing Hgt(m AGL) 1520 1200 Mixing Hgt(ft AGL) 5000 3950 Transport Wnd (m/s) S 6 S 3 Transport Wnd (mph) S 13 S 7 Vent Index (metric) 9120 3600 Vent Index (English) 65000 27650 Stag Index 3 3 3 3 Category Day 4 2 Stability E B F A Wind Shifts Precip Begin 7 PM 2 PM Continuing Continuing Precip End 9 PM Continuing Continuing Continuing Maximum LVORI 6 8 Dispersion Index 10 63 5 26 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers and thunderstorms likely. Lows around 70. Highs in the mid 80s. East winds around 5 mph. .FRIDAY...Showers with thunderstorms likely. Lows around 70. Highs in the lower 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows around 70. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 70. Highs in the mid 80s. South winds around 5 mph. $$ LAZ007>009-015-016-190900- Morehouse-West Carroll-East Carroll-Richland-Madison LA- Including the cities of Bastrop, Oak Grove, Epps, Lake Providence, Rayville, Delhi, and Tallulah 237 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 10 40 60 80 Temp (24H Trend) 73 (-1) 90 (+1) 70 84 RH % (24H Trend) 88 (-5) 54 (-2) 97 68 20ftWnd-AM(mph) S 6 Lgt/Var 20ftWnd-PM(mph) S 5 S 6 Lgt/Var Lgt/Var Rain Duratn(hrs) 1 4 7 Rain Amount(ins) 0.00 0.11 0.45 0.35 SILT/500m MLT (F) 78 79 Mixing Hgt(m AGL) 1480 1280 Mixing Hgt(ft AGL) 4870 4190 Transport Wnd (m/s) S 6 E 3 Transport Wnd (mph) S 13 E 7 Vent Index (metric) 8880 3840 Vent Index (English) 63310 29330 Stag Index 3 3 3 1 Category Day 4 2 Stability E A-B F A Wind Shifts Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Maximum LVORI 5 9 Dispersion Index 11 64 3 28 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers with thunderstorms likely. Lows in the upper 60s. Highs in the lower 80s. East winds around 5 mph. .FRIDAY...Showers with thunderstorms likely. Lows in the upper 60s. Highs in the lower 80s. South winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. South winds around 5 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. South winds around 5 mph. $$