


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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091 FPUS53 KLSX 111645 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1145 AM CDT Mon Aug 11 2025 ILZ100-101-MOZ061-063-064-120000- 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 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. A slight chance of showers and thunderstorms early. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. West winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. North winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ042-049-050-120000- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Mostly cloudy early, then becoming mostly sunny. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds 5 to 10 mph, becoming south. Chance of rain 40 percent. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. West winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. North winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 70. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ041-047-048-120000- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds 5 to 10 mph, becoming south. Chance of rain 20 percent. .TONIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. .FRIDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ095>097-MOZ018-019-026-027-034>036-120000- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows around 70. Southeast winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. North winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny. Highs in the mid 80s. .THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Highs around 90. Heat index values up to 100. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ069-070-074-120000- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. West winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows around 70. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 90s. Lows in the lower 70s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ074-084-085-099-120000- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. South winds around 5 mph. .TONIGHT...Mostly clear. Lows around 70. South winds around 5 mph. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. West winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of thunderstorms with a slight chance of showers in the evening. Lows in the upper 60s. Chance of rain 50 percent. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows around 70. Heat index values up to 100. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ051-052-060-120000- Montgomery MO-Lincoln MO-Warren MO- 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Mostly sunny. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds around 5 mph, becoming south. Chance of rain 40 percent. .TONIGHT...Mostly clear with a slight chance of thunderstorms. A slight chance of showers. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...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 upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. North winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 90. Lows in the lower 70s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ058-059-098-099-120000- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. West winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. North winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. $$ ILZ060-064-065-120000- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. West winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...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 mid 80s. Northwest winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ079-MOZ075-120000- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. South winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. West winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Light and variable winds, becoming northwest around 5 mph in the afternoon. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the lower 90s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ059-062-072-073-120000- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds around 5 mph, becoming south around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. West winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Light and variable winds, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 70. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ102-MOZ065-120000- Monroe IL-Jefferson MO- 1145 AM CDT Mon Aug 11 2025 .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. Southwest winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. West winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Light and variable winds, becoming north around 5 mph in the afternoon. Chance of rain 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the lower 90s. Chance of rain 20 percent. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 105. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$