


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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487 FPUS53 KLSX 101104 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 604 AM CDT Sun Aug 10 2025 ILZ100-101-MOZ061-063-064-101900- 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 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Sunny with a slight chance of showers and thunderstorms. Highs around 90. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds around 5 mph. 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...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. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. .THURSDAY...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 30 percent. .THURSDAY NIGHT AND FRIDAY...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. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...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. $$ MOZ042-049-050-101900- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 604 AM CDT Sun Aug 10 2025 .TODAY...Partly sunny with a chance of thunderstorms. A chance of showers. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows around 70. South winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...Sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ041-047-048-101900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 604 AM CDT Sun Aug 10 2025 .TODAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. South winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows around 70. South winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. 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 around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...Sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. .FRIDAY...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 AND SATURDAY...Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. $$ ILZ095-MOZ018-019-026-027-101900- Adams IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Quincy and Hannibal 604 AM CDT Sun Aug 10 2025 ...FLOOD WATCH IN EFFECT THROUGH MONDAY AFTERNOON... .TODAY...Mostly cloudy with a chance of thunderstorms. A chance of showers. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .TONIGHT...Thunderstorms likely. Showers likely. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Lows around 70. South winds 5 to 10 mph. Chance of rain 60 percent. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. .THURSDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 70. .FRIDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ ILZ096-097-MOZ034>036-101900- Brown IL-Pike IL-Monroe MO-Ralls MO-Pike MO- Including the cities of Mount Sterling, Pittsfield, and Bowling Green 604 AM CDT Sun Aug 10 2025 .TODAY...Mostly cloudy with a chance of thunderstorms. A chance of showers. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows around 70. South winds around 5 mph. Gusts up to 20 mph in the evening. Chance of rain 60 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows around 70. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph. 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 upper 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...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. .THURSDAY NIGHT...Mostly clear. Lows around 70. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ069-070-074-101900- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. .MONDAY...Sunny. Highs around 90. South winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .TUESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 40 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ074-084-085-099-101900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows in the upper 60s. South winds 5 to 10 mph. .MONDAY...Sunny. Highs around 90. South winds around 5 mph. .MONDAY NIGHT...Mostly clear. 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...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. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 20 percent. .FRIDAY...Mostly sunny. 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. .FRIDAY NIGHT...Partly cloudy. Lows around 70. .SATURDAY...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. $$ MOZ051-052-060-101900- Montgomery MO-Lincoln MO-Warren MO- 604 AM CDT Sun Aug 10 2025 .TODAY...Partly sunny with a chance of thunderstorms. A chance of showers. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. South winds around 5 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 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. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...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...Mostly clear. Lows in the lower 70s. .FRIDAY...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 in the evening, then clearing. Lows in the lower 70s. .SATURDAY...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. $$ ILZ058-059-098-099-101900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 604 AM CDT Sun Aug 10 2025 .TODAY...Mostly sunny. 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 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY...Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 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. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...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...Mostly clear. Lows in the lower 70s. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. .SATURDAY...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. $$ ILZ060-064-065-101900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows around 70. South winds 5 to 10 mph. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ079-MOZ075-101900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. .MONDAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. 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 lower 90s. South winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 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 lower 90s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. 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. Highs in the lower 90s. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. .FRIDAY...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. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Mostly 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. $$ MOZ059-062-072-073-101900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 604 AM CDT Sun Aug 10 2025 .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. South winds around 5 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 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 around 90. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. 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. Highs around 90. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. .FRIDAY...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...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-MOZ065-101900- Monroe IL-Jefferson MO- 604 AM CDT Sun Aug 10 2025 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. 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. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 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 around 90. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. 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. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 70s. .FRIDAY...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. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Mostly 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. $$