702 FPUS53 KLSX 060728 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 227 AM CDT Sat Jun 6 2026 ILZ100-101-MOZ061-063-064-061500- 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 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Southwest winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. 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. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows around 70. Southeast winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Thunderstorms likely. Showers likely. Lows in the lower 70s. Chance of rain 70 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105 in the afternoon. .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...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .THURSDAY...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 in the afternoon. .THURSDAY NIGHT...Partly cloudy 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. .FRIDAY...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. $$ MOZ042-049-050-061500- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature around 70. Southwest winds 5 to 10 mph with gusts up to 20 mph. .SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY 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. South winds 5 to 10 mph with gusts up to 20 mph, becoming southeast after midnight. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Showers with a chance of thunderstorms. Lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .MONDAY...Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. .TUESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs around 90. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105. .THURSDAY...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 90s. Chance of rain 30 percent. Heat index values up to 105 in the afternoon. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .FRIDAY...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. $$ MOZ041-047-048-061500- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. South winds 5 to 10 mph. .SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY 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. South winds 5 to 10 mph. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Showers with a chance of thunderstorms. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent. .MONDAY...Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 80s. Chance of rain 70 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. .TUESDAY...Mostly 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 110 in the afternoon. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .THURSDAY...Sunny. A slight chance of showers 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 105 in the afternoon. .THURSDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .FRIDAY...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 105 in the afternoon. $$ ILZ095>097-MOZ018-019-026-027-034>036-061500- 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 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .SATURDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .SUNDAY NIGHT...A chance of thunderstorms. Showers. Lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .MONDAY...Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. .TUESDAY...Mostly 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 in the afternoon. .TUESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY 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 105 early in the evening. .FRIDAY...Mostly 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. Heat index values up to 100. $$ ILZ069-070-074-061500- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. Southwest winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 90 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Mostly clear with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY...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. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ074-084-085-099-061500- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature around 70. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY NIGHT...A chance of thunderstorms. Showers. Lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .MONDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Partly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Chance of rain 70 percent. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105. .THURSDAY AND THURSDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ051-052-060-061500- Montgomery MO-Lincoln MO-Warren MO- 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. Southwest winds around 5 mph. .SATURDAY...Partly sunny in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY 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. South winds around 5 mph. Chance of rain 30 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. .SUNDAY NIGHT...A chance of thunderstorms. Showers. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent. .MONDAY...Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent. .TUESDAY...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 in the afternoon. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 110. .THURSDAY AND THURSDAY 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. .FRIDAY...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 105. $$ ILZ058-059-098-099-061500- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .SATURDAY...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. Showers. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. Chance of rain near 100 percent. .MONDAY NIGHT...Showers and thunderstorms likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 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. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY...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. .THURSDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 105 early in the evening. .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. $$ ILZ060-064-065-061500- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .SATURDAY...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the lower 80s. Chance of rain 90 percent. .MONDAY NIGHT...Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows around 70. Chance of rain 90 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly clear with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY...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. .THURSDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 100 early in the evening. .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. $$ ILZ079-MOZ075-061500- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. South winds around 5 mph. .SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. Showers. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows around 70. Chance of rain 70 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. Chance of rain 50 percent. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY AND THURSDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY...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. $$ MOZ059-062-072-073-061500- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature around 70. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. .SUNDAY NIGHT...A chance of thunderstorms. Showers. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 90 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. .TUESDAY...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 in the afternoon. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .THURSDAY AND THURSDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY...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 105. $$ ILZ102-MOZ065-061500- Monroe IL-Jefferson MO- 227 AM CDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 70s. South winds around 5 mph. .SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .SUNDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 80 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 90 percent. .MONDAY NIGHT...Showers likely. Thunderstorms likely, mainly in the evening. Lows in the lower 70s. Chance of rain 70 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .THURSDAY THROUGH FRIDAY...Mostly clear with a slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110. $$