Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
499 FPUS53 KLSX 271623 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1122 AM CDT Wed May 27 2026 ILZ100-101-MOZ061-063-064-280000- 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 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. North winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 60s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 60s. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 80s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around 60. Highs around 80. .MONDAY THROUGH TUESDAY...Mostly clear. Highs in the lower 80s. Lows in the upper 50s. $$ MOZ042-049-050-280000- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows around 60. .SATURDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Partly sunny with a 20 percent chance of showers. Highs around 80. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ MOZ041-047-048-280000- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny. Highs in the lower 80s. East winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the mid 80s. East winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 40 percent. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 80. East winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Partly 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. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...Sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ ILZ095>097-MOZ018-019-026-027-034>036-280000- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the mid 80s. East winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. .FRIDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around 60. Highs around 80. .MONDAY...Sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ ILZ069-070-074-280000- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Mostly cloudy. A slight chance of showers and thunderstorms early, then a chance of showers and thunderstorms. Highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy. Patchy fog. Lows in the mid 60s. Northeast winds around 5 mph. .THURSDAY...Patchy fog in the morning. Partly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy. A slight chance of showers in the morning. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 80s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. .MONDAY THROUGH TUESDAY...Mostly clear. Highs around 80. Lows in the upper 50s. $$ MOZ074-084-085-099-280000- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny. A slight chance of showers and thunderstorms. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. .THURSDAY...Patchy fog in the morning. Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. .SATURDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the lower 80s. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 50s. Highs around 80. $$ MOZ051-052-060-280000- Montgomery MO-Lincoln MO-Warren MO- 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the mid 80s. East winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows around 60. .SATURDAY...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. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows around 60. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 50s. .MONDAY...Sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. $$ ILZ058-059-098-099-280000- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny. Highs in the mid 80s. North winds around 5 mph. .TONIGHT...Partly cloudy. Lows in the lower 60s. East winds around 5 mph. .THURSDAY...Partly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Highs in the upper 70s. East winds 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. .MONDAY THROUGH TUESDAY...Mostly clear. Highs around 80. Lows in the mid 50s. $$ ILZ060-064-065-280000- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Mostly cloudy. A slight chance of showers and thunderstorms early, then a chance of showers and thunderstorms. Highs around 80. North winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Partly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to 10 mph. .FRIDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 70s. East winds 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 50s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the mid 50s. .TUESDAY...Sunny. Highs in the upper 70s. $$ ILZ079-MOZ075-280000- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds around 5 mph. .THURSDAY...Partly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A 20 percent chance of showers. Lows in the lower 60s. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ MOZ059-062-072-073-280000- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Mostly cloudy early, then becoming partly sunny. A slight chance of showers and thunderstorms. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Patchy fog in the morning. Mostly cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy 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 70s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent. .SATURDAY...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 lower 80s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Partly sunny with a 20 percent chance of showers. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY THROUGH TUESDAY...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. $$ ILZ102-MOZ065-280000- Monroe IL-Jefferson MO- 1122 AM CDT Wed May 27 2026 .THIS AFTERNOON...Partly sunny with a slight chance of showers. A slight chance of thunderstorms. Highs in the lower 80s. North winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Patchy fog in the morning. Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 60s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 50s. .MONDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$