340 FPUS53 KLSX 101740 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1240 PM CDT Wed Sep 10 2025 ILZ100-101-MOZ061-063-064-110100- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the upper 80s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs around 90. North winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .SATURDAY...Sunny, hot with highs in the mid 90s. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. .TUESDAY...Sunny. Highs in the lower 90s. $$ MOZ042-049-050-110100- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Mostly sunny. Highs in the upper 80s. West winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 60s. North winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 90s. South winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .SATURDAY THROUGH MONDAY...Partly cloudy. Hot. Highs in the mid 90s. Lows in the upper 60s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 90s. $$ MOZ041-047-048-110100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Mostly sunny. Highs in the upper 80s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. North winds around 5 mph. .THURSDAY...Sunny. Highs in the lower 90s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .SATURDAY THROUGH MONDAY...Partly cloudy. Hot. Highs in the mid 90s. Lows in the upper 60s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 60s. Highs in the lower 90s. $$ ILZ095>097-MOZ018-019-026-027-034>036-110100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the mid 80s. West winds around 5 mph. .TONIGHT...Mostly clear. Lows in the upper 50s. North winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. .FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 60s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 90s. Lows in the mid 60s. .TUESDAY...Sunny. Highs in the lower 90s. $$ ILZ069-070-074-110100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows around 60. East winds around 5 mph. .THURSDAY...Sunny. Highs around 90. Northeast winds around 5 mph. .THURSDAY NIGHT...Clear. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. Southeast winds around 5 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Hot. Lows in the mid 60s. Highs in the mid 90s. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the mid 60s. Highs in the mid 90s. .TUESDAY...Sunny. Highs in the lower 90s. $$ MOZ074-084-085-099-110100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the upper 80s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. Southwest winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Patchy fog in the morning. Sunny. Highs around 90. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Sunny. Highs in the lower 90s. Southeast winds around 5 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Hot. Lows in the lower 60s. Highs in the mid 90s. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Hot. Lows in the mid 60s. Highs in the mid 90s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 90s. $$ MOZ051-052-060-110100- Montgomery MO-Lincoln MO-Warren MO- 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the mid 80s. West winds around 5 mph. .TONIGHT...Mostly clear. Lows in the upper 50s. North winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. .FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 90s. Lows in the mid 60s. .TUESDAY...Sunny. Highs in the lower 90s. $$ ILZ058-059-098-099-110100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the mid 80s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Clear. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. Southeast winds around 5 mph. .FRIDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows in the upper 60s. Highs in the mid 90s. .TUESDAY...Sunny. Highs in the lower 90s. $$ ILZ060-064-065-110100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the mid 80s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. East winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Clear. Lows in the upper 50s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. Southeast winds around 5 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 90s. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Hot. Lows in the mid 60s. Highs in the mid 90s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 90s. $$ ILZ079-MOZ075-110100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. South winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the lower 90s. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Sunny. Highs in the mid 90s. Southeast winds around 5 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Hot. Lows in the mid 60s. Highs in the mid 90s. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. .TUESDAY...Sunny. Highs in the mid 90s. $$ MOZ059-062-072-073-110100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Highs in the upper 80s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows around 60. Northwest winds around 5 mph, becoming southwest after midnight. .THURSDAY...Sunny. Highs around 90. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY THROUGH MONDAY...Partly cloudy. Hot. Highs in the mid 90s. Lows in the upper 60s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 90s. $$ ILZ102-MOZ065-110100- Monroe IL-Jefferson MO- 1240 PM CDT Wed Sep 10 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the lower 90s. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Sunny. Highs in the mid 90s. Southeast winds around 5 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Hot. Lows in the mid 60s. Highs in the upper 90s. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 90s. $$