FNUS53 KLSX 201629 FWFLSX Fire Weather Planning Forecast for Eastern/Central MO and Southwest IL National Weather Service Saint Louis MO 1129 AM CDT Wed May 20 2026 Cool weather will continue the next couple of days with winds veering more to the east. Increasing humidity along with chances of showers (and possibly a thunderstorm) are forecast Thursday night - Friday. 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 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Cloudy Mcldy Pcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 65 (-8) 51 (-3) 74 RH % (24h trend) 66 (-12) 100 (0) 59 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) 2540 420 3260 Transport Wnd (m/s) N 5 NE 4 E 5 Transport Wnd (mph) N 12 NE 9 E 10 Vent Rate (m/s-m) 4740 330 5740 Marginal Poor Marginal Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers and a chance of thunderstorms. Lows in the mid 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. $$ MOZ074-075-085-202100- Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Farmington and Fredericktown Ranger District 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Cloudy Pcldy Pcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (-15) 51 (-4) 72 RH % (24h trend) 67 (+5) 100 (0) 62 Wind 20ft AM(mph) N 3-7 G15 lgt/var Wind 20ft PM(mph) N 4-8 G15 lgt/var NE 3-7 Precip Amount 0.02 0.00 0.00 Precip Duration 1 1700ft mixing temp 61 63 Mixing Hgt(ft-agl) 2510 500 3000 Transport Wnd (m/s) N 6 NE 4 E 5 Transport Wnd (mph) N 13 NE 9 E 10 Vent Rate (m/s-m) 5190 420 5340 Marginal Poor Marginal Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers and a chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 60s. Highs around 80. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. South winds around 5 mph. $$ 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 1129 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) 66 (-2) 49 (-2) 71 RH % (24h trend) 53 (-34) 97 (-1) 58 Wind 20ft AM(mph) NE 4-8 G17 E 4-8 G16 Wind 20ft PM(mph) NE 4-8 lgt/var E 5-9 G16 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 59 66 Mixing Hgt(ft-agl) 3540 420 3040 Transport Wnd (m/s) NE 5 NE 4 E 6 Transport Wnd (mph) NE 12 NE 8 E 14 Vent Rate (m/s-m) 6870 270 7360 Fair Poor Fair 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. $$ MOZ051-059-060-062-065-202100- Montgomery MO-Gasconade MO-Warren MO-Franklin MO-Jefferson MO- Including the cities of Washington, Union, and Sullivan 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 65 (-8) 48 (-3) 70 RH % (24h trend) 59 (-19) 99 (0) 61 Wind 20ft AM(mph) N 3-7 G17 lgt/var Wind 20ft PM(mph) lgt/var lgt/var E 3-7 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 59 66 Mixing Hgt(ft-agl) 3390 420 3170 Transport Wnd (m/s) N 5 E 4 E 5 Transport Wnd (mph) N 12 E 8 E 12 Vent Rate (m/s-m) 6870 270 7050 Fair Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the mid 50s. Highs around 70. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Southwest winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ MOZ061-063-064-202100- Saint Charles MO-Saint Louis MO-Saint Louis City MO- Including the cities of Saint Charles and Saint Louis 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Pcldy Precip Type Showers None None Chance Precip (%) 20 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 67 (-9) 49 (-5) 71 RH % (24h trend) 59 (-8) 88 (-6) 55 Wind 20ft AM(mph) N 4-8 G15 NE 3-7 Wind 20ft PM(mph) N 3-7 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) 3690 430 3520 Transport Wnd (m/s) N 5 E 4 E 6 Transport Wnd (mph) N 12 E 8 E 13 Vent Rate (m/s-m) 6870 270 6900 Fair Poor Fair 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. $$ ILZ064-065-069-070-074-079-100>102-202100- Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL- Madison IL-Saint Clair IL-Monroe IL- Including the cities of Vandalia, Centralia, Salem, Chester, Sparta, Alton, Edwardsville, Belleville, and Cahokia 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Pcldy Pcldy Precip Type Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (-15) 49 (-7) 71 RH % (24h trend) 62 (-5) 94 (-1) 57 Wind 20ft AM(mph) N 5-9 G15 NE 4-8 Wind 20ft PM(mph) N 5-9 lgt/var NE 5-9 Precip Amount 0.02 0.00 0.00 Precip Duration 1 1700ft mixing temp 63 63 Mixing Hgt(ft-agl) 2710 430 2870 Transport Wnd (m/s) N 6 NE 4 E 6 Transport Wnd (mph) N 13 NE 8 E 14 Vent Rate (m/s-m) 6870 340 7770 Fair Poor Fair Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the upper 50s. Highs in the lower 70s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs around 80. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs around 80. South winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ 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 1129 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) 67 (-2) 46 (-4) 68 RH % (24h trend) 48 (-33) 84 (-7) 56 Wind 20ft AM(mph) NE 5-9 G18 E 4-8 G17 Wind 20ft PM(mph) NE 5-9 G15 lgt/var E 5-9 G17 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 60 64 Mixing Hgt(ft-agl) 3980 410 3720 Transport Wnd (m/s) NE 6 NE 4 E 7 Transport Wnd (mph) NE 13 NE 9 E 15 Vent Rate (m/s-m) 7550 400 9830 Fair 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. $$ ILZ095>098-202100- Adams IL-Brown IL-Pike IL-Calhoun IL- Including the cities of Quincy, Mount Sterling, and Pittsfield 1129 AM CDT Wed May 20 2026 Today Tonight Thu Cloud Cover Pcldy Mclear Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 68 (-4) 46 (-5) 69 RH % (24h trend) 48 (-29) 80 (-9) 50 Wind 20ft AM(mph) N 5-9 G17 NE 4-8 G17 Wind 20ft PM(mph) NE 5-9 lgt/var E 5-9 G16 Precip Amount 0.00 0.00 0.00 Precip Duration 1700ft mixing temp 61 64 Mixing Hgt(ft-agl) 4170 420 4380 Transport Wnd (m/s) N 5 NE 4 E 6 Transport Wnd (mph) N 12 NE 9 E 14 Vent Rate (m/s-m) 8230 340 10590 Good Poor Good Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the lower 50s. Highs in the mid 60s. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Warmer. Lows in the mid 50s. Highs in the upper 70s. West winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows in the upper 50s. Highs around 80. Northeast winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the upper 50s. Highs in the lower 80s. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Southeast winds 5 to 10 mph. $$ ILZ058>060-099-202100- Greene IL-Macoupin IL-Montgomery IL-Jersey IL- Including the city of Litchfield 1129 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) 44 (-7) 69 RH % (24h trend) 50 (-22) 90 (0) 49 Wind 20ft AM(mph) N 6-10 G17 NE 5-9 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) 4020 460 3990 Transport Wnd (m/s) N 6 NE 4 E 6 Transport Wnd (mph) N 13 NE 9 E 14 Vent Rate (m/s-m) 8100 360 9710 Good 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. $$