


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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754 FPUS53 KLSX 140325 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1025 PM CDT Wed Aug 13 2025 ILZ100-101-MOZ061-063-064-141100- 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 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Partly cloudy late this evening, then becoming mostly clear. Patchy fog. Lows in the upper 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 90s. South winds around 5 mph. Heat index values up to 103. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 101 early in the evening. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 100. .WEDNESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ042-049-050-141100- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Patchy fog in the morning. Sunny. Highs in the mid 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 101. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .MONDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$ MOZ041-047-048-141100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Patchy fog in the morning. Sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 90s. South winds around 5 mph. Heat index values up to 102. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 101 early in the evening. .SATURDAY THROUGH SUNDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ ILZ095>097-MOZ018-019-026-027-034>036-141100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Clear. Patchy fog. Lows in the lower 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 100 in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 70s. .MONDAY AND MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100. .TUESDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 30 percent. .WEDNESDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. $$ ILZ069-070-074-141100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Partly cloudy. Patchy fog. Lows in the upper 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows around 70. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 102. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 100 early in the evening. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .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 100. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ074-084-085-099-141100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Partly cloudy. Areas of fog. Lows in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Areas of fog in the morning. Mostly sunny. Highs around 90. Northeast winds around 5 mph, becoming east in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 90s. South winds around 5 mph. Heat index values up to 101. .FRIDAY NIGHT...Mostly clear. Lows around 70. South winds around 5 mph in the evening, becoming light and variable. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 30 percent. $$ MOZ051-052-060-141100- Montgomery MO-Lincoln MO-Warren MO- 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the mid 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 101. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$ ILZ058-059-098-099-141100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the mid 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph, becoming east in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 100. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. $$ ILZ060-064-065-141100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the mid 60s. North winds around 5 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 30 percent. $$ ILZ079-MOZ075-141100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Partly cloudy. Areas of fog. Lows in the upper 60s. North winds around 5 mph. .THURSDAY...Areas of fog in the morning. Mostly sunny. Highs around 90. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. .FRIDAY...Sunny, hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 102. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Heat index values up to 101 early in the evening. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening. .TUESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 30 percent. $$ MOZ059-062-072-073-141100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Mostly clear. Patchy fog. Lows in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Areas of fog in the morning. Mostly sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Sunny, hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 102. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 100 early in the evening. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 100. .WEDNESDAY...Mostly 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 80s. Chance of rain 30 percent. $$ ILZ102-MOZ065-141100- Monroe IL-Jefferson MO- 1025 PM CDT Wed Aug 13 2025 .OVERNIGHT...Partly cloudy late this evening, then becoming mostly clear. Patchy fog. Lows in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Areas of fog in the morning. Mostly sunny. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows around 70. Southeast winds around 5 mph. .FRIDAY...Sunny, hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 104. .FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 101 early in the evening. .SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Hot. Lows in the lower 70s. Highs in the upper 90s. Heat index values up to 105. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 60s. Chance of rain 30 percent. Heat index values up to 100. .WEDNESDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$