Zone Forecast Product
Issued by NWS St. Louis, MO

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670 FPUS53 KLSX 122340 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 639 PM CDT Sat Jul 12 2025 ILZ100-101-MOZ061-063-064-130700- 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 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy. Lows in the lower 70s. Northwest winds around 5 mph. .SUNDAY...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. Temperature falling into the lower 80s in the afternoon. East winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100. .THURSDAY...Mostly sunny. 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. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 40 percent. .FRIDAY...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 20 percent. $$ MOZ042-049-050-130700- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Lows in the upper 60s. West winds around 5 mph, becoming northeast after midnight. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...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 50 percent. .TUESDAY 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. 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 40 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent. .FRIDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ MOZ041-047-048-130700- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 70. North winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows in the upper 60s. Southeast winds around 5 mph. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...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 50 percent. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs around 90. Chance of rain 50 percent. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 40 percent. .FRIDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ ILZ095>097-MOZ018-019-026-027-034>036-130700- 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 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 60s. North winds around 5 mph. .SUNDAY...Patchy fog in the morning. Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. East winds around 5 mph, becoming southwest in the afternoon. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows in the upper 60s. South winds around 5 mph. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 70. Southeast winds around 5 mph. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. .THURSDAY...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. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ ILZ069-070-074-130700- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the lower 70s. West winds 5 to 10 mph. .SUNDAY...Partly sunny in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Northeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...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. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with 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 100. .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...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 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 20 percent. $$ MOZ074-084-085-099-130700- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 639 PM CDT Sat Jul 12 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening. Patchy fog after midnight. Lows in the upper 60s. West winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent. .SUNDAY...Patchy fog in the morning. Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 80 percent. .SUNDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Patchy fog. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Partly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. South winds around 5 mph. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 70. Chance of rain 20 percent. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 40 percent. Heat index values up to 100. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ MOZ051-052-060-130700- Montgomery MO-Lincoln MO-Warren MO- 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 60s. Northwest winds around 5 mph, becoming north after midnight. .SUNDAY...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. Temperature falling to around 80 in the afternoon. East winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...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 50 percent. .TUESDAY 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. 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 40 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 20 percent. $$ ILZ058-059-098-099-130700- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Lows around 70. Northwest winds around 5 mph. .SUNDAY...Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. East winds around 5 mph, becoming southwest in the afternoon. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. .MONDAY...Mostly sunny. Patchy dense fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ060-064-065-130700- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 639 PM CDT Sat Jul 12 2025 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 60s. Northwest winds around 5 mph. .SUNDAY...Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Light and variable winds, becoming southwest around 5 mph in the afternoon. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. 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...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 30 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ079-MOZ075-130700- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph. .SUNDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Temperature falling into the lower 80s in the afternoon. North winds around 5 mph, becoming southwest in the afternoon. Chance of rain 70 percent. .SUNDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Patchy fog after midnight. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 40 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. .TUESDAY 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. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 100. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. 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 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...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. $$ MOZ059-062-072-073-130700- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 60s. West winds around 5 mph this evening, becoming light and variable. .SUNDAY...Patchy fog in the morning. Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Temperature falling to around 80 in the afternoon. Southeast winds around 5 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 40 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY 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. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 40 percent. .FRIDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ ILZ102-MOZ065-130700- Monroe IL-Jefferson MO- 639 PM CDT Sat Jul 12 2025 .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the lower 70s. West winds around 5 mph this evening, becoming light and variable. .SUNDAY...Partly sunny in the morning, then becoming mostly cloudy. Patchy fog in the morning. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the upper 80s. Temperature falling into the lower 80s in the afternoon. Light and variable winds, becoming south around 5 mph in the afternoon. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .MONDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. .TUESDAY 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. .WEDNESDAY THROUGH THURSDAY...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. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 40 percent. .FRIDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs around 90. Chance of rain 20 percent. $$