Expires:202504100700;;056037 FPUS53 KLSX 092309 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 608 PM CDT Wed Apr 9 2025 ILZ100-101-MOZ061-063-064-100700- 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 609 PM CDT Wed Apr 9 2025 .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening. Lows in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 30 percent. .THURSDAY...Partly sunny. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 10 to 15 mph. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 40s. Northwest winds 10 to 15 mph. Chance of rain 60 percent. .FRIDAY...Partly sunny. Cooler with highs in the upper 50s. North winds 10 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds 5 to 10 mph. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 50s. .MONDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the lower 70s. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the upper 40s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 60s. Lows around 40. $$