Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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296 FPUS53 KLSX 221323 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 822 AM CDT Wed Jul 22 2026 ILZ100-101-MOZ061-063-064-222100- 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 823 AM CDT Wed Jul 22 2026 .TODAY...Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the lower 80s. East 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 lower 60s. East winds around 5 mph. Chance of rain 20 percent. .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 upper 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY 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 mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning. Warmer with highs in the upper 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. .SUNDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ042-049-050-222100- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny. Highs in the lower 80s. North winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the lower 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Showers likely with a slight chance of thunderstorms. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Warmer with highs in the upper 80s. Heat index values up to 100 in the afternoon. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .TUESDAY...Mostly sunny. Highs in the lower 90s. $$ MOZ041-047-048-222100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny. Highs in the mid 80s. North winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the lower 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...A slight chance of thunderstorms. Showers. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Warmer with highs in the lower 90s. Heat index values up to 105 in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ ILZ095>097-MOZ018-019-026-027-034>036-222100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 823 AM CDT Wed Jul 22 2026 .TODAY...Mostly sunny. Highs around 80. North winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs around 80. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. Warmer with highs in the upper 80s. .SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 110. $$ ILZ069-070-074-222100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 823 AM CDT Wed Jul 22 2026 .TODAY...Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the upper 70s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A 40 percent chance of showers. Highs in the upper 70s. Light and variable winds. .FRIDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. .SUNDAY...Mostly sunny. Highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 110 early in the evening. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ074-084-085-099-222100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny, cooler with highs in the lower 80s. North winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the lower 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 80s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ051-052-060-222100- Montgomery MO-Lincoln MO-Warren MO- 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny. Highs in the lower 80s. North winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the lower 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 40 percent. .FRIDAY...A slight chance of thunderstorms. Showers likely. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Warmer with highs in the upper 80s. Heat index values up to 100 in the afternoon. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 110. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ ILZ058-059-098-099-222100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 823 AM CDT Wed Jul 22 2026 .TODAY...Mostly sunny. Highs around 80. North winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs around 80. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 60. East winds around 5 mph. Chance of rain 20 percent. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers. Highs in the upper 70s. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Warmer with highs in the upper 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 70. Highs in the mid 90s. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .TUESDAY...Mostly sunny. Highs in the lower 90s. $$ ILZ060-064-065-222100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 823 AM CDT Wed Jul 22 2026 .TODAY...Mostly sunny. Cooler with highs in the upper 70s. North winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the upper 70s. East winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A 40 percent chance of showers. Highs in the upper 70s. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. Highs in the mid 80s. .SATURDAY NIGHT...Mostly clear. Lows around 70. .SUNDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 105 early in the evening. .TUESDAY...Mostly sunny. Highs around 90. $$ ILZ079-MOZ075-222100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny, cooler with highs in the lower 80s. North winds 5 to 10 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph. .THURSDAY...Sunny. Highs around 80. Northeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 80. East winds around 5 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 110. .MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ MOZ059-062-072-073-222100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny. Highs in the lower 80s. North winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the lower 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 20 percent. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the morning. Warmer with highs around 90. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .SATURDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in the lower 70s. Highs in the upper 90s. Heat index values up to 110. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ ILZ102-MOZ065-222100- Monroe IL-Jefferson MO- 823 AM CDT Wed Jul 22 2026 .TODAY...Sunny. Highs in the lower 80s. North winds around 5 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the lower 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the morning. Warmer with highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. .SUNDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$