


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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300 FPUS53 KLSX 152124 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 424 PM CDT Tue Jul 15 2025 ILZ100-101-MOZ061-063-064-160500- 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 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 106. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening. .THURSDAY...Partly 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. West winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Heat index values up to 100. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ MOZ042-049-050-160500- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 424 PM CDT Tue Jul 15 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Lows in the lower 70s. South winds around 5 mph. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103. .WEDNESDAY NIGHT...Partly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100. .MONDAY...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. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. $$ MOZ041-047-048-160500- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .WEDNESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103. .WEDNESDAY NIGHT...Partly cloudy with a chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 101 early in the evening. .THURSDAY...Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY THROUGH SUNDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .MONDAY...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. .MONDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. $$ ILZ095>097-MOZ018-019-026-027-034>036-160500- 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 424 PM CDT Tue Jul 15 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Lows in the lower 70s. South winds around 5 mph. .WEDNESDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 104. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Humid with lows around 70. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .THURSDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Cooler with highs in the upper 70s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows around 70. Chance of rain 40 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 100. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 100. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 70s. Chance of rain 40 percent. .MONDAY...Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. $$ ILZ069-070-074-160500- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly this evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly cloudy in the morning, then mostly sunny with 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 30 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .THURSDAY...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. West winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Heat index values up to 100. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. .TUESDAY...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. $$ MOZ074-084-085-099-160500- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows around 70. Southwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...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 30 percent. Heat index values up to 101. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows around 70. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. .FRIDAY...Partly 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 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. Heat index values up to 100. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. .SUNDAY...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. Chance of rain 30 percent. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ MOZ051-052-060-160500- Montgomery MO-Lincoln MO-Warren MO- 424 PM CDT Tue Jul 15 2025 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 101 early in the evening. .THURSDAY...Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent. .SATURDAY THROUGH SUNDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .MONDAY...Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. $$ ILZ058-059-098-099-160500- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 424 PM CDT Tue Jul 15 2025 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers in the morning, then 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 30 percent. Heat index values up to 104. .WEDNESDAY 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. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101 early in the evening. .THURSDAY...Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 70s. Chance of rain 40 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ ILZ060-064-065-160500- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...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 30 percent. Heat index values up to 102. .WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40 percent. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows around 70. Chance of rain 40 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Locally heavy rainfall possible. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ079-MOZ075-160500- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers in the morning, then 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 30 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 100 early in the evening. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 102. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...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. Chance of rain 40 percent. Heat index values up to 100. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. .SUNDAY THROUGH MONDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ MOZ059-062-072-073-160500- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 424 PM CDT Tue Jul 15 2025 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .THURSDAY...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. West winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...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. Chance of rain 30 percent. Heat index values up to 100. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 105. .MONDAY...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 105. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ ILZ102-MOZ065-160500- Monroe IL-Jefferson MO- 424 PM CDT Tue Jul 15 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening. .THURSDAY...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 lower 90s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 104. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy. 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 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...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. Chance of rain 30 percent. Heat index values up to 105. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Hot. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 110. .MONDAY AND MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$