FPUS53 KLSX 161053 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 553 AM CDT Thu Apr 16 2026 ILZ100-101-MOZ061-063-064-161800- 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 553 AM CDT Thu Apr 16 2026 .TODAY...Partly sunny this morning, then clearing. Highs in the lower 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows around 60. South winds around 5 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers and thunderstorms. Cooler with lows around 50. South winds 10 to 15 mph, becoming southwest after midnight. Chance of rain 90 percent. .SATURDAY...Mostly sunny with a 50 percent chance of showers. Much cooler. Less humid with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Clear. Highs in the mid 60s. Lows in the lower 40s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ MOZ042-049-050-161800- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 553 AM CDT Thu Apr 16 2026 .TODAY...Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows around 60. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms. Much cooler with lows in the mid 40s. South winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of rain near 100 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Much cooler with highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent. .SATURDAY NIGHT AND SUNDAY...Clear. Lows in the upper 30s. Highs in the mid 60s. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 50. .TUESDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$ MOZ041-047-048-161800- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 553 AM CDT Thu Apr 16 2026 .TODAY...Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms. Much cooler with lows in the mid 40s. Southwest winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of rain 90 percent. .SATURDAY...Sunny. A chance of showers, mainly in the morning. Much cooler with highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .SATURDAY NIGHT AND SUNDAY...Clear. Lows in the upper 30s. Highs in the upper 60s. .SUNDAY NIGHT...Clear. Lows in the lower 40s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the lower 50s. .TUESDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$ ILZ095>097-MOZ018-019-026-027-034>036-161800- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 553 AM CDT Thu Apr 16 2026 .TODAY...Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows around 60. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms. Much cooler with lows in the lower 40s. Southwest winds 10 to 15 mph, becoming northwest after midnight. Gusts up to 30 mph. Chance of rain near 100 percent. .SATURDAY...Sunny. A chance of showers, mainly in the morning. Much cooler with highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Sunny. Highs in the lower 60s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 40s. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. $$ ILZ069-070-074-161800- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly cloudy with a chance of showers this morning, then mostly sunny this afternoon. Highs around 80. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .TONIGHT...Mostly clear. Lows in the upper 50s. South winds around 5 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms after midnight. Lows in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then mostly sunny with a chance of showers in the afternoon. Much cooler and less humid. Near steady temperature in the upper 50s. Northwest winds 15 to 20 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Clear. Highs in the lower 60s. Lows in the lower 40s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the upper 60s. Lows around 50. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ MOZ074-084-085-099-161800- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly cloudy this morning, then partly sunny with a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TONIGHT...Mostly clear with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 50s. South winds around 5 mph. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers and thunderstorms after midnight. Lows in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 80 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers in the afternoon. Much cooler. Less humid with highs in the mid 60s. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Clear. Highs in the upper 60s. Lows in the lower 40s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ MOZ051-052-060-161800- Montgomery MO-Lincoln MO-Warren MO- 553 AM CDT Thu Apr 16 2026 .TODAY...Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the upper 50s. South winds around 5 mph. .FRIDAY...Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Showers and thunderstorms. Cooler with lows in the mid 40s. South winds 10 to 15 mph, becoming west after midnight. Chance of rain near 100 percent. .SATURDAY...Partly sunny with a chance of showers in the morning, then sunny with a slight chance of showers in the afternoon. Much cooler. Less humid with highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Clear. Lows in the upper 30s. Highs in the mid 60s. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$ ILZ058-059-098-099-161800- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 553 AM CDT Thu Apr 16 2026 .TODAY...Partly sunny this morning, then clearing. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows in the upper 50s. South winds around 5 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 15 to 20 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers and thunderstorms. Cooler with lows in the mid 40s. South winds 10 to 15 mph, becoming west after midnight. Chance of rain near 100 percent. .SATURDAY...Partly sunny with a chance of showers in the morning, then sunny with a slight chance of showers in the afternoon. Much cooler with highs in the upper 50s. Northwest winds 15 to 20 mph. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Sunny. Highs in the lower 60s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Not as cool with lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ ILZ060-064-065-161800- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly cloudy with a slight chance of showers this morning, then sunny this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows in the upper 50s. South winds around 5 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds 15 to 20 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers and thunderstorms. Lows around 50. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY...Mostly cloudy with showers likely in the morning, then mostly sunny with a chance of showers in the afternoon. Much cooler and less humid. Near steady temperature in the mid 50s. Northwest winds 15 to 20 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY...Sunny. Highs in the lower 60s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .WEDNESDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. $$ ILZ079-MOZ075-161800- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly cloudy with a chance of showers this morning, then mostly sunny with a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .TONIGHT...Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. South winds around 5 mph. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers and thunderstorms after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers in the afternoon. Much cooler. Less humid with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Clear. Highs in the upper 60s. Lows in the lower 40s. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows around 50. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ MOZ059-062-072-073-161800- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly sunny. A chance of showers and thunderstorms this afternoon. Not as cool with highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Mostly clear. A chance of showers and thunderstorms in the evening. Lows around 60. South winds around 5 mph. Chance of rain 30 percent. .FRIDAY...Mostly sunny. Showers and thunderstorms likely 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 and thunderstorms. Cooler with lows in the upper 40s. South winds 10 to 15 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain 90 percent. .SATURDAY...Mostly sunny with a 50 percent chance of showers. Much cooler. Less humid with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT AND SUNDAY...Clear. Lows in the upper 30s. Highs in the upper 60s. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$ ILZ102-MOZ065-161800- Monroe IL-Jefferson MO- 553 AM CDT Thu Apr 16 2026 .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. South winds around 5 mph. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Showers and thunderstorms. Cooler with lows in the upper 40s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY...Mostly cloudy in the morning, then becoming mostly sunny. A 50 percent chance of showers. Much cooler. Less humid with highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Cooler with lows in the upper 30s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Clear. Highs in the upper 60s. Lows in the lower 40s. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$