FPUS53 KLSX 082304 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 603 PM CDT Wed Jul 8 2026 ILZ100-101-MOZ061-063-064-090700- 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 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 103. .THURSDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 102 early in the evening. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Humid with lows in the lower 70s. Northeast winds around 5 mph, becoming southwest after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 70. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows around 70. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows in the lower 70s. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ042-049-050-090700- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph. .THURSDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Southwest winds around 5 mph. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows around 70. East winds around 5 mph, becoming south after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY...Sunny. Highs around 90. .TUESDAY NIGHT ANDWEDNESDAY...Clear. Lows around 70. Highs in the lower 90s. $$ MOZ041-047-048-090700- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. South winds around 5 mph. .THURSDAY...Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs around 90. Southwest winds around 5 mph. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. East winds around 5 mph, becoming south after midnight. Chance of rain 50 percent. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT THROUGH WEDNESDAY...Clear. Lows in the lower 70s. Highs in the lower 90s. $$ ILZ095>097-MOZ018-019-026-027-034>036-090700- 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 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph. .THURSDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers and thunderstorms likely in the afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of rain 70 percent. .SATURDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY...Sunny with a 20 percent chance of showers. Highs in the mid 80s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY...Sunny. Highs around 90. .TUESDAY NIGHT...Clear. Lows in the lower 70s. .WEDNESDAY...Sunny. Highs in the lower 90s. $$ ILZ069-070-074-090700- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 603 PM CDT Wed Jul 8 2026 .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. .THURSDAY...Sunny in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 60 percent. Heat index values up to 102. .THURSDAY NIGHT...A chance of thunderstorms. Showers likely. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101 early in the evening. .FRIDAY...Showers likely. A slight chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 80 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows around 70. .WEDNESDAY...Sunny. Highs around 90. $$ MOZ074-084-085-099-090700- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the upper 60s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101. .THURSDAY NIGHT...A chance of thunderstorms. Showers likely. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ MOZ051-052-060-090700- Montgomery MO-Lincoln MO-Warren MO- 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. Lows around 70. Light and variable winds, becoming south around 5 mph after midnight. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Humid with lows around 70. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY...Sunny. Highs around 90. .TUESDAY NIGHT...Clear. Lows around 70. .WEDNESDAY...Sunny. Highs in the lower 90s. $$ ILZ058-059-098-099-090700- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms this evening. Lows around 70. South winds around 5 mph. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the lower 70s. Northwest winds around 5 mph, becoming southwest after midnight. Chance of rain 50 percent. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph, becoming southeast after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows in the upper 60s. .WEDNESDAY...Sunny. Highs around 90. $$ ILZ060-064-065-090700- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms this evening. Lows around 70. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. .THURSDAY...Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 60 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 60 percent. .FRIDAY...Showers likely. A slight chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph, becoming south after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY...Sunny. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows in the upper 60s. .WEDNESDAY...Sunny. Highs in the upper 80s. $$ ILZ079-MOZ075-090700- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms this evening. Lows around 70. South winds around 5 mph. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 104. .THURSDAY NIGHT...Showers likely with a chance of thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 102 early in the evening. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101 in the afternoon. .FRIDAY NIGHT...Showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 80 percent. .SATURDAY...A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows around 70. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ059-062-072-073-090700- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 603 PM CDT Wed Jul8 2026 .TONIGHT...Mostly clear. Lows around 70. Light and variable winds, becoming south around 5 mph after midnight. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101. .THURSDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY...Sunny. Highs around 90. .TUESDAY NIGHT...Clear. Lows around 70. .WEDNESDAY...Sunny. Highs in the lower 90s. $$ ILZ102-MOZ065-090700- Monroe IL-Jefferson MO- 603 PM CDT Wed Jul 8 2026 .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 103. .THURSDAY NIGHT...A chance of thunderstorms. Showers likely. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 60 percent. Heat index values up to 101 early in the evening. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101. .FRIDAY NIGHT...Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Northwest winds around 5 mph, becoming southwest after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .TUESDAY NIGHT...Clear. Lows around 70. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 100. $$