FNUS53 KLSX 201335 FWFLSX Fire Weather Planning Forecast for Eastern/Central MO and Southwest IL National Weather Service Saint Louis MO 835 AM CDT Wed May 20 2026 Cooler weather is expected through Friday before temperatures begin to warm back up. Scattered showers will move out of the area early today, but the chance of rain will return on Thursday night with mulitplte other chances over the next week. Minimum afternoon relative humidity values will stay above 50 percent the next 7 days. MOZ072-073-083-084-099-202100- Crawford MO-Washington MO-Dent MO-Iron MO-Reynolds MO- Including the cities of Potosi/Salem Ranger District and Salem 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Cloudy Mcldy Mcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 65 (-8) 52 (-5) 74 RH % (24h trend) 67 (-11) 98 (-2) 64 Wind 20ft AM(mph) lgt/var lgt/var Wind 20ft PM(mph) lgt/var lgt/var lgt/var Precip Amount 0.01 0.00 0.00 Precip Duration 1 1700ft mixing temp 59 65 Mixing Hgt(ft-agl) 2430 440 4460 Transport Wnd (m/s) NE 5 NE 4 E 6 Transport Wnd (mph) NE 12 NE 9 E 13 Vent Rate (m/s-m) 4680 410 8580 Marginal Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the lower 70s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs around 80. East winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ MOZ074-075-085-202100- Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Farmington and Fredericktown Ranger District 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Cloudy Mcldy Mcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (-15) 51 (-6) 73 RH % (24h trend) 68 (+6) 99 (-1) 65 Wind 20ft AM(mph) N 4-8 G15 lgt/var Wind 20ft PM(mph) N 4-8 G15 NE 3-7 G15 NE 3-7 Precip Amount 0.02 0.00 0.00 Precip Duration 1 1700ft mixing temp 61 63 Mixing Hgt(ft-agl) 2340 530 3610 Transport Wnd (m/s) NE 6 NE 5 E 6 Transport Wnd (mph) NE 14 NE 12 E 13 Vent Rate (m/s-m) 5160 450 7640 Marginal Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 60s. Highs around 80. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. South winds around 5 mph. $$ MOZ041-047>050-202100- Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO- Including the cities of Columbia, Cedar Creek Ranger District, Jefferson City, and Fulton 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Mcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (-2) 49 (-5) 71 RH % (24h trend) 53 (-34) 91 (-7) 62 Wind 20ft AM(mph) NE 5-9 G17 E 4-8 G16 Wind 20ft PM(mph) NE 4-8 G16 lgt/var E 5-9 G17 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 59 66 Mixing Hgt(ft-agl) 3380 430 3500 Transport Wnd (m/s) NE 6 E 4 E 7 Transport Wnd (mph) NE 13 E 9 E 15 Vent Rate (m/s-m) 7530 400 8280 Fair Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the mid 50s. Highs around 70. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs around 80. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the lower 80s. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ MOZ051-059-060-062-065-202100- Montgomery MO-Gasconade MO-Warren MO-Franklin MO-Jefferson MO- Including the cities of Washington, Union, and Sullivan 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Mcldy Precip Type Showers None None Chance Precip (%) 20 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 65 (-8) 48 (-6) 71 RH % (24h trend) 58 (-20) 93 (-6) 62 Wind 20ft AM(mph) N 4-8 G17 lgt/var Wind 20ft PM(mph) NE 3-7 lgt/var E 3-7 G15 Precip Amount 0.01 0.00 0.00 Precip Duration 0 1700ft mixing temp 59 66 Mixing Hgt(ft-agl) 3060 430 3690 Transport Wnd (m/s) NE 5 E 4 E 6 Transport Wnd (mph) NE 12 E 8 E 14 Vent Rate (m/s-m) 7440 350 8280 Fair Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the mid 50s. Highs around 70. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Southwest winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ MOZ061-063-064-202100- Saint Charles MO-Saint Louis MO-Saint Louis City MO- Including the cities of Saint Charles and Saint Louis 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Mcldy Precip Type Showers None None Chance Precip (%) 20 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 67 (-9) 51 (-5) 72 RH % (24h trend) 58 (-9) 85 (-9) 55 Wind 20ft AM(mph) N 5-9 G15 NE 3-7 Wind 20ft PM(mph) NE 4-8 lgt/var E 4-8 Precip Amount 0.01 0.00 0.00 Precip Duration 0 1700ft mixing temp 60 65 Mixing Hgt(ft-agl) 3220 450 3970 Transport Wnd (m/s) NE 5 E 3 E 6 Transport Wnd (mph) NE 12 E 7 E 14 Vent Rate (m/s-m) 6190 370 8140 Fair Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the mid 50s. Highs in the lower 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. North winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ ILZ064-065-069-070-074-079-100>102-202100- Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL- Madison IL-Saint Clair IL-Monroe IL- Including the cities of Vandalia, Centralia, Salem, Chester, Sparta, Alton, Edwardsville, Belleville, and Cahokia 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Mcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (-15) 50 (-8) 72 RH % (24h trend) 61 (-6) 91 (-4) 56 Wind 20ft AM(mph) N 6-10 G15 NE 4-8 G15 Wind 20ft PM(mph) NE 5-9 NE 3-7 E 6-10 Precip Amount 0.02 0.00 0.00 Precip Duration 1 1700ft mixing temp 63 63 Mixing Hgt(ft-agl) 2720 440 3570 Transport Wnd (m/s) NE 6 NE 4 E 7 Transport Wnd (mph) NE 14 NE 9 E 15 Vent Rate (m/s-m) 6980 420 8390 Fair Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the upper 50s. Highs in the lower 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs around 80. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs around 80. South winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ MOZ018-019-026-027-034>036-042-052-202100- Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO- Audrain MO-Lincoln MO- Including the cities of Hannibal, Bowling Green, and Mexico 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Mcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 67 (-2) 47 (-7) 69 RH % (24h trend) 48 (-33) 81 (-10) 57 Wind 20ft AM(mph) N 5-9 G18 E 4-8 G17 Wind 20ft PM(mph) NE 5-9 G16 lgt/var E 6-10 G17 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 60 64 Mixing Hgt(ft-agl) 4100 420 3850 Transport Wnd (m/s) NE 6 NE 5 E 7 Transport Wnd (mph) NE 13 NE 10 E 16 Vent Rate (m/s-m) 8860 420 11340 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the lower 50s. Highs in the mid 60s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Warmer. Lows in the mid 50s. Highs in the upper 70s. West winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the upper 50s. Highs in the lower 80s. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ ILZ095>098-202100- Adams IL-Brown IL-Pike IL-Calhoun IL- Including the cities of Quincy, Mount Sterling, and Pittsfield 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 68 (-4) 46 (-8) 70 RH % (24h trend) 46 (-31) 78 (-11) 52 Wind 20ft AM(mph) N 6-10 G17 NE 5-9 G17 Wind 20ft PM(mph) NE 5-9 lgt/var E 5-9 G17 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 61 64 Mixing Hgt(ft-agl) 4300 430 4220 Transport Wnd (m/s) NE 6 E 5 E 7 Transport Wnd (mph) NE 13 E 12 E 16 Vent Rate (m/s-m) 8670 420 11170 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the mid 50s. Highs in the mid 60s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Warmer. Lows in the mid 50s. Highs in the upper 70s. West winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows in the upper 50s. Highs around 80. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the upper 50s. Highs in the lower 80s. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ ILZ058>060-099-202100- Greene IL-Macoupin IL-Montgomery IL-Jersey IL- Including the city of Litchfield 835 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 67 (-8) 45 (-9) 69 RH % (24h trend) 49 (-23) 87 (-3) 51 Wind 20ft AM(mph) N 7-11 G17 NE 5-9 G15 Wind 20ft PM(mph) NE 5-9 NE 3-7 E 6-10 G16 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 62 64 Mixing Hgt(ft-agl) 3660 420 3730 Transport Wnd (m/s) NE 6 NE 6 E 7 Transport Wnd (mph) NE 13 NE 14 E 16 Vent Rate (m/s-m) 7730 440 10170 Fair Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the lower 50s. Highs in the upper 60s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Lows in the mid 50s. Highs in the upper 70s. West winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. North winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$