Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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453 FPUS53 KLSX 052048 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 348 PM CDT Sat Sep 5 2026 ILZ100-101-MOZ061-063-064-060400- 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 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early this evening. .SUNDAY...Mostly sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs around 90. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY 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. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 90s. Chance of rain 20 percent. $$ MOZ049-050-060400- Osage MO-Callaway MO- Including the city of Fulton 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 PM CDT SUNDAY... .TONIGHT...Partly cloudy this evening, then clearing. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 103 early this evening. .SUNDAY...Mostly sunny. Highs in the lower 90s. East winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .THURSDAY...Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 30 percent chance of showers. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ MOZ042-060400- Audrain MO- Including the city of Mexico 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 101 early this evening. .SUNDAY...Mostly sunny. Highs in the lower 90s. East winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds 5 to 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 90s. Lows in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50 percent. .THURSDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Cooler with highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .SATURDAY...Sunny with a 20 percent chance of showers. Highs in the upper 80s. $$ MOZ041-047-048-060400- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 PM CDT SUNDAY... .TONIGHT...Partly cloudy this evening, then clearing. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 105 early this evening. .SUNDAY...Sunny, hot with highs in the mid 90s. East winds 5 to 10 mph. Heat index values up to 104. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the lower 90s. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs around 99. Lows in the mid 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Not as warm with highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent. .SATURDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. $$ ILZ095>097-MOZ018-019-026-027-034>036-060400- 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 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. Northeast winds around 5 mph. Heat index values up to 103 early this evening. .SUNDAY...Mostly sunny. Highs around 90. East winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast winds 5 to 10 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the mid 90s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. .THURSDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Cooler with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance of showers. Lows in the lower 60s. Highs in the mid 80s. .FRIDAY NIGHT...Mostly clear. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .SATURDAY...Sunny with a 20 percent chance of showers. Highs in the upper 80s. $$ ILZ069-070-074-060400- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows around 70. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 105 early this evening. .SUNDAY...Sunny. Not as warm with highs around 90. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers. Highs in the upper 80s. Lows in the mid 60s. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs in the lower 90s. Chance of rain 20 percent. $$ MOZ074-084-085-060400- Saint Francois MO-Iron MO-Madison MO- Including the city of Farmington 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early this evening. .SUNDAY...Sunny. Highs around 90. Northeast winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Sunny. Highs in the lower 90s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Hot. Lows around 70. Highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent. $$ MOZ099-060400- Reynolds MO- 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 PM CDT SUNDAY... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Light and variable winds. Chance of rain 20 percent. Heat index values up to 100 early this evening. .SUNDAY...Sunny. Highs in the mid 90s. Northeast winds around 5 mph. Heat index values up to 102. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds around 5 mph. .LABOR DAY...Sunny. Highs around 90. Light and variable winds, becoming east around 5 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Light and variable winds. .TUESDAY...Sunny. Highs in the mid 90s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows around 70. .THURSDAY...Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 90s. Chance of rain 40 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the upper 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs in the lower 90s. Chance of rain 20 percent. $$ MOZ051-052-060-060400- Montgomery MO-Lincoln MO-Warren MO- 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Lows around 70. Northeast winds around 5 mph. Heat index values up to 104 early this evening. .SUNDAY...Mostly sunny. Not as warm with highs around 90. East winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY 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 upper 60s. Chance of rain 50 percent. .THURSDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ ILZ058-059-098-099-060400- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. Northeast winds around 5 mph. Heat index values up to 104 early this evening. .SUNDAY...Mostly sunny. Not as warm with highs in the upper 80s. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .THURSDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ ILZ060-064-065-060400- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early this evening. .SUNDAY...Sunny. Not as warm with highs in the upper 80s. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100. .WEDNESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent. .THURSDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the lower 60s. Highs in the mid 80s. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ ILZ079-MOZ075-060400- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. North winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104 early this evening. .SUNDAY...Sunny. Not as warm with highs around 90. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers. Highs in the upper 80s. Lows in the lower 60s. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ MOZ062-073-060400- Franklin MO-Washington MO- Including the cities of Washington, Union, and Sullivan 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows around 70. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 104 early this evening. .SUNDAY...Sunny. Highs around 90. Northeast winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ MOZ059-072-060400- Gasconade MO-Crawford MO- 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 PM CDT SUNDAY... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early this evening. .SUNDAY...Sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. East winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 50 percent. .THURSDAY...Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the mid 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Sunny. A slight chance of showers in the morning. Highs around 90. Chance of rain 20 percent. $$ ILZ102-MOZ065-060400- Monroe IL-Jefferson MO- 348 PM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104 early this evening. .SUNDAY...Mostly sunny. Not as warm with highs in the lower 90s. Northeast winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .LABOR DAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. 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. Heat index values up to 100 early in the evening. .THURSDAY...Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY THROUGH SATURDAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the lower 60s. $$