


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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102 FPUS53 KLSX 151109 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 609 AM CDT Tue Jul 15 2025 ILZ100-101-MOZ061-063-064-151900- 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 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny. 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. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. 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 mid 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. 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 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. Highs in the lower 90s. Lows in the mid 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. $$ MOZ042-049-050-151900- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 609 AM CDT Tue Jul 15 2025 .TODAY...Partly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. 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 102. .WEDNESDAY NIGHT...Partly 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 40 percent. .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 lower 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 upper 60s. 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 lower 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 30 percent. .SATURDAY NIGHT AND SUNDAY...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 100. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the lower 70s. Chance of rain 30 percent. .MONDAY...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. $$ MOZ041-047-048-151900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Humid with 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 showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. .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. 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 upper 60s. 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 mid 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly 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 slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100. .SUNDAY NIGHT AND MONDAY...Mostly clear. 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. $$ ILZ095>097-MOZ018-019-026-027-034>036-151900- 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 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. South winds around 5 mph. .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 103. .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. Chance of rain 50 percent. .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 lower 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 60s. 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 lower 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 70. 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. Heat index values up to 100. .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 lower 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100. .MONDAY...Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs around 90. Chance of rain 40 percent. Heat index values up to 100. $$ ILZ069-070-074-151900- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104. .WEDNESDAY NIGHT...Partly cloudy with 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 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. Heat index values up to 100. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. 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 40 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. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. Heat index values up to 100. .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. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100. .MONDAY...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. $$ MOZ074-084-085-099-151900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Areas of fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the mid 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. 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 around 5 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 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 40 percent. Heat index values up to 101. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 40 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. A slight chance of showers and thunderstorms in the evening. 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 40 percent. Heat index values up to 100. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. .SUNDAY THROUGH MONDAY...Mostly clear with a slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ051-052-060-151900- Montgomery MO-Lincoln MO-Warren MO- 609 AM CDT Tue Jul 15 2025 .TODAY...Partly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy in the evening, then clearing. Humid with 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 105. .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 30 percent. .THURSDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. 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 mid 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent. .SATURDAY...Mostly 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 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 100. .SUNDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the lower 70s. Chance of rain 30 percent. .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. $$ ILZ058-059-098-099-151900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 609 AM CDT Tue Jul 15 2025 .TODAY...Partly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100. .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. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 30 percent. .THURSDAY...Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. 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 lower 80s. Chance of rain 30 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 with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. $$ ILZ060-064-065-151900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the mid 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 20 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 30 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 around 5 mph. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. 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 lower 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. 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 with a chance of showers and thunderstorms. Lows in the lower 70s. 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 upper 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent. .MONDAY...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. Heat index values up to 100. $$ ILZ079-MOZ075-151900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Areas of fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 101 early in the evening. .THURSDAY...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. Heat index values up to 104. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 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...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 105. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 70s. .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 105. .SUNDAY 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 105 early in the evening. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ059-062-072-073-151900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Areas of fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 70. Southwest winds around 5 mph. Chance of rain 20 percent. .WEDNESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 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 around 5 mph. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. West winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 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...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 AND SUNDAY...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. .SUNDAY NIGHT AND MONDAY...Mostly clear. 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. $$ ILZ102-MOZ065-151900- Monroe IL-Jefferson MO- 609 AM CDT Tue Jul 15 2025 .TODAY...Mostly cloudy. Areas of fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. 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 chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 104. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 40 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. 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 105. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy with a slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. $$