Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
578 FPUS53 KLSX 092310 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 609 PM CDT Thu Jul 9 2026 ILZ100-101-MOZ061-063-064-100700- 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 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then numerous showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Partly sunny with scattered thunderstorms. Isolated showers in the morning, then scattered showers in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph, becoming northwest in the afternoon. Chance of rain 50 percent. Heat index values up to 101. .FRIDAY NIGHT...Numerous showers and thunderstorms. Humid with lows around 70. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southeast winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows around 70. Highs around 90. $$ MOZ042-049-050-100700- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy with scattered showers and thunderstorms. Lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Numerous thunderstorms. Numerous showers. Lows in the upper 60s. North winds around 5 mph, becoming southwest after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 80s. Lows in the upper 60s. $$ MOZ041-047-048-100700- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy with scattered showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Numerous thunderstorms. Numerous showers. Humid with lows in the lower 70s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly clear. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 40 percent. .SUNDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows around 70. $$ ILZ095>097-MOZ018-019-026-027-034>036-100700- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 609 PM CDT Thu Jul 9 2026 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. South winds around 5 mph this evening, becoming light and variable. Chance of rain 20 percent. .FRIDAY...Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. North winds around 5 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 40 percent. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the upper 60s. .MONDAY...Sunny. Highs in the upper 80s. .MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows around 70. Highs around 90. $$ ILZ069-070-074-100700- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then numerous showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Partly sunny with scattered showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100. .FRIDAY NIGHT...Numerous showers and thunderstorms. Humid with lows around 70. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. North winds around 5 mph. 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 mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the upper 60s. Chance of rain 20 percent. .MONDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 80s. Lows around 70. $$ MOZ084-085-099-100700- Iron MO-Madison MO-Reynolds MO- 609 PM CDT Thu Jul 9 2026 ...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING... ...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Showers, thunderstorms. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible. Lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent. Heat index values up to 102 early this evening. .FRIDAY...Mostly sunny. Numerous showers and thunderstorms, mainly in the morning. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 60 percent. Heat index values up to 100. .FRIDAY NIGHT...Partly cloudy with scattered showers and thunderstorms in the evening, then mostly cloudy with numerous showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Light and variable winds. 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 mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the upper 60s. Chance of rain 20 percent. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. .TUESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ MOZ074-100700- Saint Francois MO- Including the city of Farmington 609 PM CDT Thu Jul 9 2026 ...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent. .FRIDAY...Mostly sunny. Numerous showers and thunderstorms, mainly in the morning. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 60 percent. Heat index values up to 102 in the afternoon. .FRIDAY NIGHT...Partly cloudy with scattered showers and thunderstorms in the evening, then mostly cloudy with showers and numerous thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 80 percent. .SATURDAY...A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. 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 mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .MONDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ MOZ051-052-060-100700- Montgomery MO-Lincoln MO-Warren MO- 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy with scattered showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Numerous thunderstorms. Numerous showers. Humid with lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southeast winds around 5 mph, becoming northeast in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ ILZ058-059-098-099-100700- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy with scattered showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph, becoming southeast after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. East winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY...Mostly sunny. Highs in the mid 80s. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ ILZ060-064-065-100700- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 609 PM CDT Thu Jul 9 2026 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then numerous showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Mostly cloudy with isolated showers and thunderstorms in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy with numerous thunderstorms. Scattered showers in the evening, then numerous showers after midnight. Lows in the upper 60s. North winds around 5 mph, becoming southeast after midnight. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Southeast winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ ILZ079-MOZ075-100700- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 609 PM CDT Thu Jul 9 2026 ...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent. .FRIDAY...Mostly sunny. Numerous showers and thunderstorms, mainly in the morning. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 70 percent. Heat index values up to 103 in the afternoon. .FRIDAY NIGHT...Mostly cloudy with numerous thunderstorms. Scattered showers in the evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows around 70. South winds around 5 mph, becoming west after midnight. Chance of rain 80 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. 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 mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. A 20 percent chance of showers. Lows in the upper 60s. Highs in the upper 80s. .MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. Heat index values up to 100. $$ MOZ059-062-100700- Gasconade MO-Franklin MO- Including the cities of Washington, Union, and Sullivan 609 PM CDT Thu Jul 9 2026 .TONIGHT...Showers and thunderstorms likely. Lows in the lower 70s. Southeast winds around 5 mph, becoming south after midnight. Chance of rain 70 percent. .FRIDAY...Mostly sunny with scattered showers and thunderstorms. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Numerous showers and thunderstorms. Humid with lows in the upper 60s. Northwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Northwest winds around 5 mph. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ MOZ072-073-100700- Crawford MO-Washington MO- 609 PM CDT Thu Jul 9 2026 ...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent. .FRIDAY...Mostly sunny. Numerous showers and thunderstorms, mainly in the morning. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Numerous thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Humid with lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 80 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. 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 mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. $$ ILZ102-MOZ065-100700- Monroe IL-Jefferson MO- 609 PM CDT Thu Jul 9 2026 .TONIGHT...Showers and thunderstorms likely. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent. .FRIDAY...Mostly sunny with scattered showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 103. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Numerous thunderstorms. Showers with lows around 70. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 80 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 80s. Heat index values up to 100. $$