Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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918 FPUS53 KLSX 042034 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 333 PM CDT Mon May 4 2026 ILZ100-101-MOZ061-063-064-050400- 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 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy with a chance of showers and thunderstorms this evening, then mostly cloudy with showers and thunderstorms likely after midnight. Lows in the upper 50s. Southwest winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 70 percent. .TUESDAY...Showers with thunderstorms likely in the morning, then showers with a chance of thunderstorms in the afternoon. Much cooler. Near steady temperature in the upper 50s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the mid 40s. North winds 10 to 15 mph. Chance of rain 90 percent. .WEDNESDAY...Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. North winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. North winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 50. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20 percent. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s. .MONDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. $$ MOZ042-049-050-050400- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 333 PM CDT Mon May 4 2026 .TONIGHT...Mostly cloudy. Thunderstorms likely with a chance of showers this evening, then showers and thunderstorms after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Chance of rain 90 percent. .TUESDAY...Showers and thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Much cooler. Near steady temperature in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of rain 90 percent. .TUESDAY NIGHT...Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 70 percent. .WEDNESDAY...Mostly cloudy. A chance of showers, mainly in the morning. Highs in the mid 50s. North winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 40 percent. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the upper 40s. .MONDAY...Mostly sunny. Highs around 70. $$ MOZ041-047-048-050400- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 333 PM CDT Mon May 4 2026 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then showers and thunderstorms after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph, becoming northwest 5 to 10 mph after midnight. Gusts up to 30 mph. Chance of rain 90 percent. .TUESDAY...Showers and thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Much cooler. Near steady temperature in the mid 50s. Northeast winds around 10 mph with gusts up to 30 mph. Chance of rain 90 percent. .TUESDAY NIGHT...Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 70 percent. .WEDNESDAY...Mostly cloudy. A chance of showers, mainly in the morning. Highs in the upper 50s. North winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the upper 40s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 70s. Lows in the upper 40s. Chance of rain 20 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 40 percent. .SUNDAY...Partly sunny with a chance of thunderstorms. A chance of showers. Highs in the lower 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the upper 40s. .MONDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ095>097-MOZ018-019-026-027-034>036-050400- 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 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Showers and thunderstorms likely. Lows in the lower 50s. Southwest winds 10 to 15 mph, becoming north 5 to 10 mph after midnight. Chance of rain 70 percent. .TUESDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Much cooler with highs in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 40s. North winds 5 to 10 mph. Chance of rain 70 percent. .WEDNESDAY...Mostly cloudy with a 20 percent chance of showers. Highs in the upper 50s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. Northwest winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the upper 40s. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 40s. Chance of rain 20 percent. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY 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 lower 50s. Chance of rain 40 percent. .SUNDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 50 percent. .MONDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs around 70. Chance of rain 20 percent. $$ ILZ069-070-074-050400- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy with a chance of showers and thunderstorms this evening, then mostly cloudy with showers and thunderstorms likely after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. .TUESDAY...Showers. Thunderstorms likely, mainly in the morning. Much cooler. Near steady temperature around 60. Southwest winds 5 to 10 mph, becoming north 10 to 15 mph in the afternoon. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the mid 40s. North winds 10 to 15 mph. Chance of rain 90 percent. .WEDNESDAY...Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. North winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. North winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 50. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20 percent. .SUNDAY...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 mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs around 70. $$ MOZ074-084-085-099-050400- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .TUESDAY...Showers. Thunderstorms likely, mainly in the morning. Much cooler with highs in the mid 60s. South winds 5 to 10 mph, becoming northeast with gusts up to 20 mph in the afternoon. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the lower 40s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain near 100 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of showers. Highs in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. North winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the lower 40s. .FRIDAY...Sunny. Not as cool with highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent. .SUNDAY...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 upper 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s. $$ MOZ051-052-060-050400- Montgomery MO-Lincoln MO-Warren MO- 333 PM CDT Mon May 4 2026 .TONIGHT...Mostly cloudy. Thunderstorms likely with a chance of showers this evening, then showers and thunderstorms after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 80 percent. .TUESDAY...Showers likely. Thunderstorms likely, mainly in the morning. Much cooler. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent. .TUESDAY NIGHT...Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 40s. North winds 5 to 10 mph. Chance of rain 80 percent. .WEDNESDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds around 5 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 30 percent. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the upper 40s. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs around 70. $$ ILZ058-059-098-099-050400- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 333 PM CDT Mon May 4 2026 .TONIGHT...Showers and thunderstorms likely. Lows in the mid 50s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Chance of rain 70 percent. .TUESDAY...Showers likely. Thunderstorms likely, mainly in the morning. Much cooler. Near steady temperature in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .TUESDAY NIGHT...Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the lower 40s. North winds 10 to 15 mph. Chance of rain 80 percent. .WEDNESDAY...Partly sunny with a 20 percent chance of showers. Highs in the upper 50s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent. .SUNDAY...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 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the upper 40s. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs around 70. $$ ILZ060-064-065-050400- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 333 PM CDT Mon May 4 2026 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then showers and thunderstorms likely after midnight. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. .TUESDAY...Showers with thunderstorms likely in the morning, then showers with a chance of thunderstorms in the afternoon. Much cooler. Near steady temperature in the upper 50s. Northwest winds 5 to 10 mph, becoming northeast in the afternoon. Gusts up to 25 mph. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .WEDNESDAY...Partly sunny with a 20 percent chance of showers. Highs in the upper 50s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. North winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent. .SUNDAY...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 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows around 50. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. $$ ILZ079-MOZ075-050400- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .TUESDAY...Showers. Thunderstorms likely, mainly in the morning. Much cooler. Near steady temperature in the lower 60s. Southwest winds 5 to 10 mph, becoming north in the afternoon. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the mid 40s. North winds 10 to 15 mph. Chance of rain near 100 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of showers. Highs in the upper 50s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. North winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Sunny. Not as cool with highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20 percent. .SUNDAY...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 mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent. .MONDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s. $$ MOZ059-062-072-073-050400- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy with a chance of thunderstorms with a slight chance of showers this evening, then mostly cloudy with showers and thunderstorms after midnight. Lows in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent. .TUESDAY...Showers. Thunderstorms, mainly in the morning. Much cooler. Near steady temperature in the upper 50s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the lower 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .WEDNESDAY...Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds around 5 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Not as cool with highs in the mid 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 30 percent. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 50. Chance of rain 50 percent. .MONDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. $$ ILZ102-MOZ065-050400- Monroe IL-Jefferson MO- 333 PM CDT Mon May 4 2026 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy with showers and thunderstorms likely after midnight. Lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .TUESDAY...Showers. Thunderstorms likely, mainly in the morning. Much cooler. Near steady temperature in the upper 50s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph in the afternoon. Chance of rain 90 percent. .TUESDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .WEDNESDAY...Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. North winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. North winds around 5 mph. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 40s. .FRIDAY...Mostly sunny. Not as cool with highs in the mid 70s. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent. .MONDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. $$