Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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067 FPUS53 KLSX 281828 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 128 PM CDT Tue Jul 28 2026 ILZ100-MOZ061-063-064-290200- Madison IL-Saint Charles MO-Saint Louis MO-Saint Louis City MO- Including the cities of Alton, Edwardsville, Saint Charles, and Saint Louis 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Partly sunny. Near steady temperature around 90. North winds 5 to 10 mph. Heat index values up to 103. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. Northeast winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 20 percent. .FRIDAY...Showers likely in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ101-290200- Saint Clair IL- Including the cities of Belleville and Cahokia 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Partly sunny. Near steady temperature in the lower 90s. North winds 5 to 10 mph. Heat index values up to 110. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the upper 60s. Northeast winds 5 to 10 mph. Heat index values up to 103 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. .FRIDAY...Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent. .FRIDAY NIGHT...A slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ049-050-290200- Osage MO-Callaway MO- Including the city of Fulton 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy with isolated showers and thunderstorms. Not as warm. Near steady temperature in the mid 80s. North winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 70s. North winds around 5 mph, becoming east after midnight. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the upper 60s. East winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .FRIDAY...Showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ MOZ042-290200- Audrain MO- Including the city of Mexico 128 PM CDT Tue Jul 28 2026 .THIS AFTERNOON...Cloudy. Near steady temperature in the mid 80s. North winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows around 70. North winds around 5 mph, becoming east after midnight. .WEDNESDAY...Sunny. Highs in the mid 80s. East winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. East winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .FRIDAY...Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Partly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. $$ MOZ041-047-048-290200- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy with isolated showers and thunderstorms. Not as warm. Near steady temperature in the mid 80s. North winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. North winds around 5 mph, becoming east after midnight. .WEDNESDAY...Sunny. Highs around 90. East winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds 5 to 10 mph. .THURSDAY...Sunny in the morning, then becoming partly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy. Showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 70 percent. .FRIDAY...Showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 80 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SATURDAY...Partly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ ILZ095>097-MOZ018-019-026-027-034>036-290200- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 128 PM CDT Tue Jul 28 2026 .THIS AFTERNOON...Mostly sunny. Highs around 90. North winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. Northeast winds around 5 mph. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. East winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .FRIDAY...Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 80 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ069-070-290200- Clinton IL-Marion IL- Including the cities of Centralia and Salem 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Mostly sunny. Near steady temperature in the lower 90s. North winds 5 to 10 mph. Heat index values up to 107. .TONIGHT...Partly cloudy in the evening, then clearing. Cooler with lows in the mid 60s. Northeast winds around 5 mph. Heat index values up to 102 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the mid 80s. Light and variable winds. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. .FRIDAY NIGHT AND SATURDAY...Showers likely with a chance of thunderstorms. Lows in the upper 60s. Highs in the upper 70s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ ILZ074-290200- Washington IL- 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Partly sunny. Near steady temperature in the lower 90s. North winds around 5 mph. Heat index values up to 109. .TONIGHT...Mostly cloudy in the evening, then clearing. Cooler with lows in the upper 60s. Northeast winds around 5 mph. Heat index values up to 104 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 80s. Northeast winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the mid 80s. Light and variable winds. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 80. Lows in the mid 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ074-084-085-099-290200- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Mostly cloudy with isolated showers and thunderstorms. Near steady temperature in the upper 80s. Northwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102. .TONIGHT...Mostly cloudy. Isolated showers and thunderstorms in the evening. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Mostly sunny. Highs in the upper 80s. Light and variable winds, becoming southeast around 5 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ051-052-060-290200- Montgomery MO-Lincoln MO-Warren MO- 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy. Near steady temperature in the upper 80s. North winds around 5 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows around 70. Northeast winds around 5 mph. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. East winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. .FRIDAY AND FRIDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ058-059-098-099-290200- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 128 PM CDT Tue Jul 28 2026 .THIS AFTERNOON...Mostly sunny. Near steady temperature in the upper 80s. North winds 5 to 10 mph. Heat index values up to 100. .TONIGHT...Partly cloudy in the evening, then clearing. Cooler with lows in the mid 60s. Northeast winds around 5 mph. .WEDNESDAY...Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Sunny. Highs in the mid 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent. .SATURDAY...Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ060-065-290200- Montgomery IL-Fayette IL- Including the cities of Litchfield and Vandalia 128 PM CDT Tue Jul 28 2026 .THIS AFTERNOON...Partly sunny. Near steady temperature in the upper 80s. North winds 5 to 10 mph. Heat index values up to 102. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the lower 60s. Northeast winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the mid 80s. Light and variable winds, becoming south around 5 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. .FRIDAY NIGHT AND SATURDAY...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. $$ ILZ064-290200- Bond IL- 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Mostly sunny. Near steady temperature around 90. North winds around 5 mph. Heat index values up to 105. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the mid 60s. Northeast winds around 5 mph. Heat index values up to 100 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 80s. Northeast winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the mid 80s. Light and variable winds, becoming south around 5 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. .SATURDAY 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. Lows in the mid 60s. Chance of rain 40 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ ILZ079-MOZ075-290200- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Mostly cloudy. Near steady temperature in the lower 90s. North winds around 5 mph. Heat index values up to 107. .TONIGHT...Mostly cloudy in the evening, then clearing. Cooler with lows in the upper 60s. Northeast winds around 5 mph. Heat index values up to 104 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 80. Lows in the mid 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ059-062-290200- Gasconade MO-Franklin MO- Including the cities of Washington, Union, and Sullivan 128 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy with isolated showers and thunderstorms. Near steady temperature in the upper 80s. North winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 70s. North winds around 5 mph, becoming east after midnight. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. East winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent. .FRIDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 60 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ MOZ072-073-290200- Crawford MO-Washington MO- 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy with isolated showers and thunderstorms. Near steady temperature in the mid 80s. Northwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy with isolated showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. North winds around 5 mph, becoming northeast after midnight. Chance of rain 20 percent. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 20 percent. .FRIDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 60 percent. .SATURDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ ILZ102-MOZ065-290200- Monroe IL-Jefferson MO- 128 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Cloudy. Near steady temperature in the upper 80s. Northeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows around 70. Northeast winds around 5 mph. Heat index values up to 100 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 80s. Northeast winds around 5 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .SUNDAY NIGHT AND MONDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 20 percent. $$