Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
916 FPUS53 KLSX 292318 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 617 PM CDT Tue Sep 29 2026 ILZ100-101-MOZ061-063-064-300700- 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 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the upper 60s. Southeast winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Mostly cloudy. 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 80s. South winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 60s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 90 percent. .FRIDAY...Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Much cooler with highs in the lower 70s. Chance of rain 70 percent. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. Highs in the upper 60s. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs around 70. Lows around 50. $$ MOZ042-049-050-300700- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the upper 60s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 70. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .THURSDAY...Cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 90 percent. .THURSDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. West winds around 5 mph, becoming north after midnight. Chance of rain 90 percent. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 50s. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the upper 60s. Lows in the upper 40s. $$ MOZ041-047-048-300700- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 617 PM CDT Tue Sep 29 2026 .TONIGHT...Cloudy. A slight chance of showers this evening. Not as cool with lows around 70. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly cloudy. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. .THURSDAY...Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 80. South winds around 5 mph. Chance of rain 90 percent. .THURSDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. West winds around 5 mph, becoming north after midnight. Chance of rain 90 percent. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 50 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of showers. Lows in the mid 50s. Highs around 70. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the lower 70s. Lows around 50. $$ ILZ095>097-MOZ018-019-026-027-034>036-300700- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 617 PM CDT Tue Sep 29 2026 .TONIGHT...Cloudy. A slight chance of showers this evening, then a chance of showers after midnight. Not as cool with lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Southeast winds 5 to 10 mph, becoming south with gusts up to 20 mph after midnight. Chance of rain 50 percent. .THURSDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds around 5 mph. Chance of rain near 100 percent. .THURSDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows around 60. North winds 5 to 10 mph. Chance of rain near 100 percent. .FRIDAY...Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the upper 60s. Lows in the upper 40s. $$ ILZ069-070-074-300700- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 80s. South winds 10 to 15 mph. .THURSDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Much cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. Highs around 70. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY AND MONDAY NIGHT...Clear. Highs in the upper 60s. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. $$ MOZ074-084-085-099-300700- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the lower 60s. South winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .THURSDAY NIGHT...Cloudy. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY...A chance of thunderstorms. Showers, cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. Highs around 70. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 50s. Highs around 70. .MONDAY NIGHT...Clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the lower 70s. $$ MOZ051-052-060-300700- Montgomery MO-Lincoln MO-Warren MO- 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the upper 60s. Southeast winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .THURSDAY...Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 70 percent. .THURSDAY NIGHT...Showers with a slight chance of thunderstorms. Lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Cooler with highs around 70. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 50s. .SATURDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the upper 60s. Lows in the upper 40s. $$ ILZ058-059-098-099-300700- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 70. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .THURSDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Showers with a slight chance of thunderstorms. Lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 90 percent. .FRIDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Cooler with highs in the lower 70s. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy. Cooler with lows in the lower 50s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A 20 percent chance of showers. Highs in the upper 60s. Lows in the lower 50s. .SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the upper 60s. Lows in the upper 40s. $$ ILZ060-064-065-300700- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 70. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Partly sunny in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. West winds around 5 mph. Chance of rain 90 percent. .FRIDAY...Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Much cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 50s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A 20 percent chance of showers. Highs in the upper 60s. Lows in the lower 50s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the upper 40s. .MONDAY AND MONDAY NIGHT...Clear. Highs in the upper 60s. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. $$ ILZ079-MOZ075-300700- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the mid 60s. South winds around 5 mph. .WEDNESDAY...Partly sunny. Highs in the upper 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 70. South winds 5 to 10 mph. .THURSDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 80s. South winds 10 to 15 mph. .THURSDAY NIGHT...Cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 70 percent. .FRIDAY...A chance of thunderstorms. Showers, mainly in the morning. Much cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Cooler with lows in the mid 50s. .SATURDAY...Mostly cloudy with a 40 percent chance of showers. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 40s. Highs around 70. $$ MOZ059-062-072-073-300700- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the upper 60s. South winds around 5 mph. .WEDNESDAY...Partly sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Mostly cloudy. 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. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 90 percent. .FRIDAY...A slight chance of thunderstorms. Showers, mainly in the morning. Cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Cooler with lows in the mid 50s. .SATURDAY...Partly sunny with a 30 percent chance of showers. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. .SUNDAY THROUGH MONDAY...Mostly clear. Highs in the upper 60s. Lows in the upper 40s. .MONDAY NIGHT...Clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the lower 70s. $$ ILZ102-MOZ065-300700- Monroe IL-Jefferson MO- 617 PM CDT Tue Sep 29 2026 .TONIGHT...Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs around 90. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Partly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. .THURSDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 90 percent. .FRIDAY...Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Much cooler with highs in the lower 70s. Chance of rain 90 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Cooler with lows in the mid 50s. .SATURDAY...Partly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs around 70. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the upper 60s. $$