431 FPUS53 KLSX 241941 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 240 PM CDT Thu Jul 24 2025 ILZ100-250300- Madison IL- Including the cities of Alton and Edwardsville 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 105 early this evening. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered 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 105. .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103 early in the evening. .SATURDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 107. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 103 early in the evening. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 100. .THURSDAY...Partly 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. $$ ILZ101-MOZ061-063-064-250300- Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Belleville, Cahokia, Saint Charles, and Saint Louis 240 PM CDT Thu Jul 24 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 105 early this evening. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming southeast in the afternoon. Chance of rain 30 percent. Heat index values up to 106. .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Humid with lows in the upper 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 104 early in the evening. .SATURDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening. .SUNDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 115. .TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 30 percent. Heat index values up to 105. .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 30 percent. $$ MOZ049-050-250300- Osage MO-Callaway MO- Including the city of Fulton 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Partly cloudy. Isolated showers and thunderstorms after midnight. Lows in the mid 70s. South winds around 5 mph, becoming southeast after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening. .FRIDAY...Mostly sunny with isolated showers and thunderstorms. Humid with highs in the lower 90s. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103. .FRIDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening. .SATURDAY...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 107. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 105 early in the evening. .SUNDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 105. .THURSDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 40 percent. $$ MOZ042-250300- Audrain MO- Including the city of Mexico 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Mostly cloudy. Isolated showers and thunderstorms this evening, then scattered showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. West winds around 5 mph, becoming northeast after midnight. Chance of rain 50 percent. Heat index values up to 103 early this evening. .FRIDAY...Partly sunny. Scattered showers and thunderstorms, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph, becoming east in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 103. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 100 early in the evening. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 105. .TUESDAY AND TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105. .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 AND THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 70s. Chance of rain 40 percent. $$ MOZ041-047-048-250300- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Partly cloudy with isolated showers and thunderstorms this evening, then mostly cloudy with scattered showers and thunderstorms after midnight. Lows in the lower 70s. Southwest winds around 5 mph, becoming east after midnight. Chance of rain 50 percent. Heat index values up to 100 early this evening. .FRIDAY...Mostly sunny with isolated showers and thunderstorms. Humid with highs in the lower 90s. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103. .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening. .SATURDAY...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 107. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening. .SUNDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 40 percent. Heat index values up to 105. .THURSDAY...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 lower 80s. Chance of rain 40 percent. $$ MOZ018-019-026-250300- Knox MO-Lewis MO-Shelby MO- 240 PM CDT Thu Jul 24 2025 ...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Numerous showers and thunderstorms this evening, then showers and scattered thunderstorms after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 80 percent. Heat index values up to 100 early this evening. .FRIDAY...Cloudy in the morning, then becoming partly sunny. Numerous showers and scattered thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 104. .SATURDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 104 early in the evening. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY AND TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 110. .WEDNESDAY...Mostly 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. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent. .THURSDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 40 percent. $$ ILZ095>097-MOZ027-034>036-250300- Adams IL-Brown IL-Pike IL-Marion MO-Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Mostly cloudy with scattered thunderstorms. Scattered showers this evening, then numerous showers after midnight. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. West winds around 5 mph, becoming north after midnight. Chance of rain 70 percent. Heat index values up to 104 early this evening. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. Scattered thunderstorms. Numerous showers, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the upper 80s. Northeast winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 40 percent. .SATURDAY...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. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 104 early in the evening. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .TUESDAY AND TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 110. .WEDNESDAY...Mostly 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. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent. .THURSDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs around 80. Chance of rain 40 percent. $$ ILZ069-070-074-250300- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 106 early this evening. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear. Scattered showers and thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 106. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 102 early in the evening. .SUNDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Hot. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ074-084-085-099-250300- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 103 early this evening. .FRIDAY...Mostly sunny. Humid with highs in the lower 90s. South winds around 5 mph. Heat index values up to 104. .FRIDAY NIGHT...Mostly clear. Isolated showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 104. .SATURDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. South winds around 5 mph. Heat index values up to 100 early in the evening. .SUNDAY...Mostly 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. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 100 early in the evening. .MONDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...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. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 20 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 upper 80s. Chance of rain 30 percent. $$ MOZ051-052-060-250300- Montgomery MO-Lincoln MO-Warren MO- 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Partly cloudy this evening, then mostly cloudy with isolated showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104 early this evening. .FRIDAY...Mostly sunny with isolated showers and thunderstorms. Humid with highs in the lower 90s. North winds around 5 mph, becoming east in the afternoon. Chance of rain 20 percent. Heat index values up to 103. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103 early in the evening. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 104 early in the evening. .SUNDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 100. .THURSDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. $$ ILZ058-059-098-099-250300- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Partly cloudy this evening, then mostly cloudy with isolated showers and thunderstorms after midnight. Lows in the mid 70s. South winds around 5 mph, becoming southwest around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 104 early this evening. .FRIDAY...Mostly sunny with scattered showers and thunderstorms. Humid with highs in the lower 90s. North winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 102. .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 100 early in the evening. .SATURDAY...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. South winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 102 early in the evening. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .TUESDAY 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. .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 30 percent. .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 upper 60s. Chance of rain 30 percent. .THURSDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 30 percent. $$ ILZ060-064-065-250300- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 104 early this evening. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered 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 103. .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 101 early in the evening. .SATURDAY...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 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 104. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 100 early in the evening. .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 THROUGH TUESDAY...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. 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. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the upper 60s. Chance of rain 30 percent. .THURSDAY...Partly 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 lower 80s. Chance of rain 30 percent. $$ ILZ079-MOZ075-250300- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 105 early this evening. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear. Scattered showers with isolated thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 107. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 103 early in the evening. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 115. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105. .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 upper 80s. Chance of rain 30 percent. $$ MOZ062-250300- Franklin MO- Including the cities of Washington, Union, and Sullivan 240 PM CDT Thu Jul 24 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 103 early this evening. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming southeast in the afternoon. Chance of rain 30 percent. Heat index values up to 104. .FRIDAY NIGHT...Mostly clear. Scattered showers and thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103 early in the evening. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening. .SUNDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 30 percent. Heat index values up to 105. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. $$ MOZ059-072-073-250300- Gasconade MO-Crawford MO-Washington MO- 240 PM CDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 102 early this evening. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102. .FRIDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 103 early in the evening. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 90s. Lows around 70. Chance of rain 30 percent. Heat index values up to 105. .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. $$ ILZ102-MOZ065-250300- Monroe IL-Jefferson MO- 240 PM CDT Thu Jul 24 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT TUESDAY... .TONIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 104 early this evening. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy with scattered showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 104 early in the evening. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 115. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$