FNUS53 KLSX 211344 FWFLSX Fire Weather Planning Forecast for Eastern/Central MO and Southwest IL National Weather Service Saint Louis MO 844 AM CDT Tue Apr 21 2026 Gusty southwest winds are expected throughout the day today, with above average temperatures and moderate to low humidity. Deep mixing combined with the gusty winds will also support efficient smoke dispersion. A few showers are possible this evening and overnight in northern areas, but wetting rain is not expected. Similar temperatures and moderate humidity are expected again tomorrow, with weaker but occasionally breezy southwest winds. Stronger south winds return Thursday with slightly warmer temperatures, but widespread wetting rain is expected overnight through Friday. MOZ072-073-083-084-099-212100- Crawford MO-Washington MO-Dent MO-Iron MO-Reynolds MO- Including the cities of Potosi/Salem Ranger District and Salem 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Clear Mclear Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+5) 50 (+4) 76 RH % (24h trend) 27 (-4) 85 (+14) 47 Wind 20ft AM(mph) SW 3-7 G20 lgt/var Wind 20ft PM(mph) SW 8-12 G21 SW 5-9 G20 SW 3-7 G15 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 70 69 Mixing Hgt(ft-agl) 5300 410 4660 Transport Wnd (m/s) SW 11 SW 6 S 6 Transport Wnd (mph) SW 24 SW 13 S 13 Vent Rate (m/s-m) 20000 10 12180 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the mid 50s. Highs around 80. South winds 10 to 15 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers. Lows in the mid 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the mid 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. South winds 5 to 10 mph. $$ MOZ074-075-085-212100- Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Farmington and Fredericktown Ranger District 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Clear Mclear Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+7) 51 (+4) 77 RH % (24h trend) 27 (-7) 81 (+10) 47 Wind 20ft AM(mph) SW 3-7 G19 SW 3-7 G15 Wind 20ft PM(mph) SW 10-14 G21 SW 6-10 G20 SW 5-9 G16 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 71 71 Mixing Hgt(ft-agl) 5290 400 5070 Transport Wnd (m/s) SW 11 SW 7 SW 7 Transport Wnd (mph) SW 25 SW 16 SW 15 Vent Rate (m/s-m) 20140 140 13260 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Lows in the mid 50s. Highs around 80. South winds 10 to 15 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers. Lows in the mid 50s. Highs in the mid 70s. North winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. South winds 5 to 10 mph. $$ MOZ041-047>050-212100- Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO- Including the cities of Columbia, Cedar Creek Ranger District, Jefferson City, and Fulton 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+6) 53 (+5) 76 RH % (24h trend) 36 (+1) 91 (+23) 51 Wind 20ft AM(mph) SW 7-11 G23 SW 4-8 G18 Wind 20ft PM(mph) SW 12-16 G26 SW 8-12 G24 SW 5-9 G17 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 70 68 Mixing Hgt(ft-agl) 4600 490 3890 Transport Wnd (m/s) SW 13 SW 8 SW 6 Transport Wnd (mph) SW 29 SW 18 SW 13 Vent Rate (m/s-m) 19820 500 8070 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the lower 70s. South winds 10 to 15 mph. $$ MOZ051-059-060-062-065-212100- Montgomery MO-Gasconade MO-Warren MO-Franklin MO-Jefferson MO- Including the cities of Washington, Union, and Sullivan 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+8) 53 (+6) 77 RH % (24h trend) 33 (-2) 89 (+19) 50 Wind 20ft AM(mph) SW 4-8 G22 SW 3-7 G18 Wind 20ft PM(mph) SW 10-14 G25 SW 6-10 G22 SW 3-7 G15 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 71 71 Mixing Hgt(ft-agl) 4990 450 4380 Transport Wnd (m/s) SW 12 SW 7 SW 5 Transport Wnd (mph) SW 26 SW 15 SW 10 Vent Rate (m/s-m) 20050 460 8120 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. South winds 5 to 10 mph. $$ MOZ061-063-064-212100- Saint Charles MO-Saint Louis MO-Saint Louis City MO- Including the cities of Saint Charles and Saint Louis 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (+11) 55 (+6) 78 RH % (24h trend) 31 (-3) 80 (+9) 46 Wind 20ft AM(mph) SW 5-9 G21 SW 3-7 G15 Wind 20ft PM(mph) SW 10-14 G23 SW 6-10 G21 SW 4-8 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 72 72 Mixing Hgt(ft-agl) 5180 470 4730 Transport Wnd (m/s) SW 12 SW 7 SW 4 Transport Wnd (mph) SW 26 SW 15 SW 9 Vent Rate (m/s-m) 20860 540 7750 Excellent Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Southeast winds 10 to 15 mph. $$ ILZ064-065-069-070-074-079-100>102-212100- Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL- Madison IL-Saint Clair IL-Monroe IL- Including the cities of Vandalia, Centralia, Salem, Chester, Sparta, Alton, Edwardsville, Belleville, and Cahokia 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (+15) 53 (+7) 77 RH % (24h trend) 32 (-4) 81 (0) 50 Wind 20ft AM(mph) SW 4-8 G18 SW 4-8 Wind 20ft PM(mph) SW 11-15 G23 SW 7-11 G21 SW 5-9 G15 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 71 70 Mixing Hgt(ft-agl) 5110 450 4360 Transport Wnd (m/s) SW 12 SW 8 SW 6 Transport Wnd (mph) SW 28 SW 17 SW 13 Vent Rate (m/s-m) 21020 370 14030 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Lows in the upper 50s. Highs around 80. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Northeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Southeast winds 10 to 15 mph. $$ MOZ018-019-026-027-034>036-042-052-212100- 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 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+10) 54 (+6) 77 RH % (24h trend) 39 (0) 91 (+22) 52 Wind 20ft AM(mph) SW 10-14 G26 SW 6-10 G20 Wind 20ft PM(mph) SW 13-17 G27 SW 9-13 G25 SW 5-9 G18 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 70 68 Mixing Hgt(ft-agl) 4750 550 3770 Transport Wnd (m/s) SW 13 SW 9 SW 6 Transport Wnd (mph) SW 30 SW 20 SW 13 Vent Rate (m/s-m) 22370 690 8540 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the lower 70s. West winds 10 to 15 mph. .SATURDAY...Partly cloudy. Lows around 50. Highs around 70. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows around 50. Highs around 70. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the mid 50s. Highs in the lower 70s. Southeast winds 10 to 15 mph. $$ ILZ095>098-212100- Adams IL-Brown IL-Pike IL-Calhoun IL- Including the cities of Quincy, Mount Sterling, and Pittsfield 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (+14) 57 (+10) 77 RH % (24h trend) 37 (+2) 88 (+17) 50 Wind 20ft AM(mph) SW 9-13 G24 SW 5-9 G20 Wind 20ft PM(mph) SW 13-17 G26 SW 8-12 G23 SW 5-9 G16 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 69 69 Mixing Hgt(ft-agl) 4930 540 3830 Transport Wnd (m/s) SW 13 SW 9 SW 5 Transport Wnd (mph) SW 30 SW 20 SW 12 Vent Rate (m/s-m) 22700 700 7820 Excellent Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. West winds 10 to 15 mph. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows around 50. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the mid 50s. Highs in the lower 70s. Southeast winds 10 to 15 mph. $$ ILZ058>060-099-212100- Greene IL-Macoupin IL-Montgomery IL-Jersey IL- Including the city of Litchfield 844 AM CDT Tue Apr 21 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None Showers None Chance Precip (%) 0 10 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+15) 54 (+9) 77 RH % (24h trend) 34 (+2) 83 (+3) 45 Wind 20ft AM(mph) SW 7-11 G21 SW 5-9 G17 Wind 20ft PM(mph) SW 13-17 G25 SW 8-12 G23 SW 6-10 Precip Amount 0.00 0.00 0.00 Precip Duration 0 1700ft mixing temp 70 69 Mixing Hgt(ft-agl) 4820 490 4150 Transport Wnd (m/s) SW 13 SW 8 SW 5 Transport Wnd (mph) SW 29 SW 17 SW 10 Vent Rate (m/s-m) 21930 560 7390 Excellent Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. South winds 15 to 20 mph. .FRIDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Northeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. East winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Southeast winds 10 to 15 mph. $$