FNUS53 KLSX 180704 FWFLSX Fire Weather Planning Forecast for Eastern/Central MO and Southwest IL National Weather Service Saint Louis MO 204 AM CDT Mon May 18 2026 Several chances for showers and thunderstorms are forecast Monday morning through Tuesday night, with high confidence that the entire forecast area will receive rainfall during this timeframe. A cold front brings cooler and drier conditions Tuesday night into the end of the week. Additional chances for rain return late in the week with low certainty regarding the timing of the best chances. MOZ072-073-083-084-099-182100- Crawford MO-Washington MO-Dent MO-Iron MO-Reynolds MO- Including the cities of Potosi/Salem Ranger District and Salem 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 70 50 100 Chance of Thunder (%) 50 20 50 Temp (24h trend) 86 (0) 68 (-1) 85 RH % (24h trend) 65 (+18) 87 (+1) 66 Wind 20ft AM(mph) S 8-12 G27 SW 6-10 G24 Wind 20ft PM(mph) S 8-12 G25 S 7-11 G25 SW 4-8 G20 Precip Amount 0.24 0.06 0.31 Precip Duration 4 1 8 1700ft mixing temp 83 82 Mixing Hgt(ft-agl) 3690 510 3750 Transport Wnd (m/s) S 11 S 8 SW 8 Transport Wnd (mph) S 24 S 17 SW 17 Vent Rate (m/s-m) 15170 860 12910 Excellent Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Showers and a chance of thunderstorms. Lows in the mid 50s. Highs in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the upper 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. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows around 60. Highs in the mid 80s. South winds around 5 mph. $$ MOZ074-075-085-182100- Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Farmington and Fredericktown Ranger District 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Pcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 60 40 90 Chance of Thunder (%) 50 40 50 Temp (24h trend) 86 (-1) 68 (-1) 86 RH % (24h trend) 63 (+17) 88 (+2) 64 Wind 20ft AM(mph) S 10-14 G26 SW 9-13 G25 Wind 20ft PM(mph) S 11-15 G25 S 8-12 G23 SW 6-10 G21 Precip Amount 0.12 0.03 0.25 Precip Duration 4 1 7 1700ft mixing temp 84 83 Mixing Hgt(ft-agl) 3490 500 4680 Transport Wnd (m/s) S 11 S 8 SW 9 Transport Wnd (mph) S 25 S 17 SW 20 Vent Rate (m/s-m) 14340 940 14250 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Showers and a chance of thunderstorms. Lows in the mid 50s. Highs around 70. North winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph. .FRIDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows around 60. Highs in the mid 80s. South winds around 5 mph. $$ MOZ041-047>050-182100- Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO- Including the cities of Columbia, Cedar Creek Ranger District, Jefferson City, and Fulton 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 50 80 Chance of Thunder (%) 50 50 50 Temp (24h trend) 86 (0) 65 (-4) 79 RH % (24h trend) 65 (+17) 93 (+9) 64 Wind 20ft AM(mph) S 8-12 G24 SW 7-11 G22 Wind 20ft PM(mph) S 10-14 G27 S 10-14 G26 NW 6-10 G19 Precip Amount 0.42 0.12 0.09 Precip Duration 10 1 8 1700ft mixing temp 82 71 Mixing Hgt(ft-agl) 2860 510 2220 Transport Wnd (m/s) S 10 S 9 NW 7 Transport Wnd (mph) S 22 S 20 NW 15 Vent Rate (m/s-m) 13560 1030 9810 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows around 50. Highs in the lower 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Lows in the upper 50s. Highs in the lower 80s. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. South winds around 5 mph. $$ MOZ051-059-060-062-065-182100- Montgomery MO-Gasconade MO-Warren MO-Franklin MO-Jefferson MO- Including the cities of Washington, Union, and Sullivan 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 50 90 Chance of Thunder (%) 50 50 50 Temp (24h trend) 86 (-1) 65 (-3) 85 RH % (24h trend) 66 (+20) 94 (+11) 66 Wind 20ft AM(mph) S 8-12 G25 SW 7-11 G23 Wind 20ft PM(mph) S 9-13 G24 S 8-12 G24 W 5-9 G20 Precip Amount 0.42 0.09 0.25 Precip Duration 9 1 8 1700ft mixing temp 83 79 Mixing Hgt(ft-agl) 3320 480 3010 Transport Wnd (m/s) S 9 S 8 SW 9 Transport Wnd (mph) S 21 S 17 SW 21 Vent Rate (m/s-m) 13150 1040 12980 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy with showers likely. Lows in the lower 50s. Highs in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the upper 40s. Highs in the lower 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the lower 80s. West winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. South winds around 5 mph. $$ MOZ061-063-064-182100- Saint Charles MO-Saint Louis MO-Saint Louis City MO- Including the cities of Saint Charles and Saint Louis 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 50 100 Chance of Thunder (%) 50 50 50 Temp (24h trend) 86 (-2) 68 (-2) 86 RH % (24h trend) 65 (+19) 87 (+7) 63 Wind 20ft AM(mph) S 9-13 G23 SW 8-12 G21 Wind 20ft PM(mph) S 9-13 G22 S 8-12 G23 W 7-11 G20 Precip Amount 0.31 0.10 0.26 Precip Duration 9 1 7 1700ft mixing temp 84 82 Mixing Hgt(ft-agl) 3050 490 3360 Transport Wnd (m/s) S 9 S 8 SW 9 Transport Wnd (mph) S 20 S 17 SW 21 Vent Rate (m/s-m) 11890 960 13380 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy with showers likely. Lows in the mid 50s. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the lower 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the lower 80s. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the upper 80s. South winds around 5 mph. $$ ILZ064-065-069-070-074-079-100>102-182100- Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL- Madison IL-Saint Clair IL-Monroe IL- Including the cities of Vandalia, Centralia, Salem, Chester, Sparta, Alton, Edwardsville, Belleville, and Cahokia 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 50 90 Chance of Thunder (%) 50 50 70 Temp (24h trend) 86 (0) 68 (-1) 86 RH % (24h trend) 67 (+18) 88 (+7) 62 Wind 20ft AM(mph) S 11-15 G25 SW 10-14 G23 Wind 20ft PM(mph) S 11-15 G25 S 9-13 G22 SW 9-13 G21 Precip Amount 0.26 0.06 0.28 Precip Duration 6 1 7 1700ft mixing temp 84 83 Mixing Hgt(ft-agl) 2950 480 3250 Transport Wnd (m/s) SW 12 S 8 SW 11 Transport Wnd (mph) SW 26 S 18 SW 24 Vent Rate (m/s-m) 15030 890 15880 Excellent Poor Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the lower 70s. Northeast winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers. Lows around 60. Highs in the lower 80s. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid 80s. Southeast winds around 5 mph. $$ MOZ018-019-026-027-034>036-042-052-182100- 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 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 80 50 50 Chance of Thunder (%) 50 50 50 Temp (24h trend) 82 (-4) 64 (-5) 78 RH % (24h trend) 67 (+18) 93 (+8) 60 Wind 20ft AM(mph) S 9-13 G25 SW 9-13 G25 Wind 20ft PM(mph) S 11-15 G30 S 10-14 G27 NW 7-11 G21 Precip Amount 0.37 0.26 0.08 Precip Duration 9 2 7 1700ft mixing temp 79 67 Mixing Hgt(ft-agl) 2280 490 3010 Transport Wnd (m/s) S 10 S 8 NW 8 Transport Wnd (mph) S 23 S 18 NW 17 Vent Rate (m/s-m) 11400 960 10640 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s. Northeast winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows in the upper 40s. Highs around 70. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Lows in the mid 50s. Highs around 80. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. South winds around 5 mph. $$ ILZ095>098-182100- Adams IL-Brown IL-Pike IL-Calhoun IL- Including the cities of Quincy, Mount Sterling, and Pittsfield 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 60 60 Chance of Thunder (%) 50 50 50 Temp (24h trend) 82 (-3) 66 (-2) 80 RH % (24h trend) 68 (+15) 92 (+8) 60 Wind 20ft AM(mph) S 9-13 G24 SW 9-13 G25 Wind 20ft PM(mph) S 10-14 G28 S 10-14 G25 NW 7-11 G20 Precip Amount 0.45 0.22 0.09 Precip Duration 8 2 8 1700ft mixing temp 78 70 Mixing Hgt(ft-agl) 2430 480 2760 Transport Wnd (m/s) S 10 S 8 NW 8 Transport Wnd (mph) S 23 S 18 NW 17 Vent Rate (m/s-m) 10130 960 10690 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Lows in the upper 50s. Highs in the lower 80s. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ ILZ058>060-099-182100- Greene IL-Macoupin IL-Montgomery IL-Jersey IL- Including the city of Litchfield 204 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 90 50 90 Chance of Thunder (%) 70 50 50 Temp (24h trend) 82 (-3) 64 (-3) 82 RH % (24h trend) 68 (+20) 91 (+9) 63 Wind 20ft AM(mph) S 11-15 G25 S 10-14 G23 Wind 20ft PM(mph) S 10-14 G24 S 11-15 G23 W 9-13 G22 Precip Amount 0.41 0.17 0.24 Precip Duration 8 1 9 1700ft mixing temp 80 80 Mixing Hgt(ft-agl) 2470 480 3110 Transport Wnd (m/s) SW 10 S 8 SW 9 Transport Wnd (mph) SW 23 S 18 SW 21 Vent Rate (m/s-m) 11960 1040 12830 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. Showers likely. Lows in the lower 50s. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows in the mid 40s. Highs in the lower 70s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers. Lows in the lower 50s. Highs in the mid 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs around 80. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. South winds around 5 mph. $$