Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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279 FPUS53 KLSX 300627 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 127 AM CDT Thu Jul 30 2026 ILZ100-101-MOZ061-063-064-301400- 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 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain near 100 percent. .SATURDAY...Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers 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 chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ042-049-050-301400- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature in the upper 60s. East winds around 5 mph. .THURSDAY...Sunny in the morning, then becoming partly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 70. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT...Clear. Lows in the mid 60s. .MONDAY...Sunny. Highs in the mid 80s. .MONDAY NIGHT...Clear. Lows in the mid 60s. .TUESDAY...Sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs around 90. $$ MOZ041-047-048-301400- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature around 70. East winds around 5 mph. .THURSDAY...Sunny in the morning, then becoming mostly cloudy. Highs around 90. Southeast winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY...Showers with a chance of thunderstorms. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. Heat index values up to 101 in the afternoon. .FRIDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Humid with lows in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .SATURDAY...Mostly cloudy. A chance of showers, mainly in the morning. Cooler with highs in the upper 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. .SUNDAY...Sunny. Highs in the mid 80s. .SUNDAY NIGHT...Clear. Lows in the mid 60s. .MONDAY...Sunny. Highs in the mid 80s. .MONDAY NIGHT...Clear. Lows in the upper 60s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the lower 90s. Lows around 70. $$ ILZ095>097-MOZ018-019-026-027-034>036-301400- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature in the mid 60s. East winds around 5 mph. .THURSDAY...Sunny in the morning, then becoming partly sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY...A chance of thunderstorms. Showers. Locally heavy rainfall possible in the morning. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 10 mph, becoming northwest 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of rain 90 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT...Clear. Lows in the lower 60s. .MONDAY...Sunny. Highs in the mid 80s. .MONDAY NIGHT...Clear. Lows in the mid 60s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the upper 80s. Lows in the upper 60s. $$ ILZ069-070-074-301400- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Near steady temperature in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the mid 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Mostly 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 mid 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain near 100 percent. .SATURDAY...A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 40 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers 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 chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .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 upper 80s. Chance of rain 30 percent. Heat index values up to 100. $$ MOZ074-084-085-099-301400- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ MOZ051-052-060-301400- Montgomery MO-Lincoln MO-Warren MO- 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature in the upper 60s. East winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the upper 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 upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY...Showers with a chance of thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .MONDAY NIGHT...Clear. Lows in the mid 60s. .TUESDAY...Sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny. Highs around 90. Heat index values up to 100. $$ ILZ058-059-098-099-301400- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Near steady temperature in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the mid 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph. .FRIDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .FRIDAY NIGHT...A chance of thunderstorms. Showers. Lows in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain near 100 percent. .SATURDAY...A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. $$ ILZ060-064-065-301400- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Near steady temperature in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the mid 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph. .FRIDAY...Mostly sunny with a slight chance of showers in the morning, then cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms. Lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent. .SATURDAY...A slight chance of thunderstorms. Showers. Highs in the upper 70s. Chance of rain 90 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent. .SUNDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. .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 upper 80s. Chance of rain 30 percent. $$ ILZ079-MOZ075-301400- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Near steady temperature in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. Southeast winds around 5 mph. .FRIDAY...Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100. $$ MOZ059-062-072-073-301400- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature in the upper 60s. East winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph. .FRIDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a 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 70 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 100. $$ ILZ102-MOZ065-301400- Monroe IL-Jefferson MO- 127 AM CDT Thu Jul 30 2026 .REST OF TONIGHT...Clear. Near steady temperature in the upper 60s. Northeast winds around 5 mph. .THURSDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph. .FRIDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. .TUESDAY...Sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$