


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
423 FPUS53 KLSX 170959 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 459 AM CDT Fri Oct 17 2025 ILZ100-101-MOZ061-063-064-171700- 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 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. South winds 5 to 10 mph. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the upper 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SUNDAY...Sunny, cooler. Less humid with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the mid 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. $$ MOZ042-049-050-171700- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 459 AM CDT Fri Oct 17 2025 .TODAY...Mostly sunny. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Much cooler. Less humid with lows in the mid 40s. West winds 5 to 10 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the mid 40s. Highs in the mid 70s. .TUESDAY...Sunny, cooler with highs in the mid 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the mid 40s. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ MOZ041-047-048-171700- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 459 AM CDT Fri Oct 17 2025 .TODAY...Mostly sunny. Highs in the mid 80s. South winds 10 to 15 mph. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Much cooler. Less humid with lows in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the upper 40s. Highs in the mid 70s. .TUESDAY...Sunny, cooler with highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the mid 40s. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ ILZ095>097-MOZ018-019-026-027-034>036-171700- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .SATURDAY...A chance of thunderstorms. Showers. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the mid 40s. Southwest winds 5 to 10 mph, becoming northwest 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the mid 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny, cooler with highs in the lower 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the mid 40s. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ ILZ069-070-074-171700- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. South winds 5 to 10 mph. .SATURDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Cooler with lows in the upper 40s. Southwest winds around 10 mph, becoming west 15 to 20 mph after midnight. Chance of rain 90 percent. .SUNDAY...Sunny. A slight chance of showers in the morning. Much cooler. Less humid with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Clear. Highs in the upper 60s. Lows around 40. .WEDNESDAY...Sunny. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. $$ MOZ074-084-085-099-171700- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. South winds around 5 mph. .SATURDAY...A chance of thunderstorms. Showers. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a slight chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Much cooler with lows in the mid 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west with gusts up to 30 mph after midnight. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 40. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 60s. Chance of rain 30 percent. $$ MOZ051-052-060-171700- Montgomery MO-Lincoln MO-Warren MO- 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the mid 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the mid 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the mid 40s. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ ILZ058-059-098-099-171700- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 10 to 15 mph. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the upper 40s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph after midnight. Chance of rain 90 percent. .SUNDAY...Sunny. A slight chance of showers in the morning. Much cooler with highs in the lower 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the upper 40s. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Clear. Highs in the mid 60s. Lows in the upper 30s. .WEDNESDAY...Sunny. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the mid 40s. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ ILZ060-064-065-171700- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs around 80. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. .SATURDAY...A chance of thunderstorms. Showers. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Cooler with lows in the upper 40s. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning. Much cooler with highs in the lower 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 40s. .TUESDAY AND TUESDAY NIGHT...Clear. Highs in the mid 60s. Lows in the upper 30s. .WEDNESDAY...Sunny. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s. $$ ILZ079-MOZ075-171700- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. South winds 5 to 10 mph. .SATURDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Cooler with lows in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west with gusts up to 30 mph after midnight. Chance of rain 90 percent. .SUNDAY...Sunny. Much cooler. Less humid with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs around 70. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A 30 percent chance of showers. Lows in the upper 40s. Highs in the upper 60s. $$ MOZ059-062-072-073-171700- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. South winds 5 to 10 mph. .SATURDAY...Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the mid 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent. .SUNDAY...Sunny, cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 40. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 60s. Chance of rain 30 percent. $$ ILZ102-MOZ065-171700- Monroe IL-Jefferson MO- 459 AM CDT Fri Oct 17 2025 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. South winds 5 to 10 mph. .SATURDAY...A chance of thunderstorms. Showers. Highs around 80. Temperature falling into the mid 70s in the afternoon. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the upper 40s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph after midnight. Chance of rain 70 percent. .SUNDAY...Sunny. Much cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Sunny. Highs in the upper 60s. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 40. Highs around 70. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. $$