Expires:202601041800;;767292 FPUS53 KLSX 041040 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 439 AM CST Sun Jan 4 2026 ILZ069-070-074-041800- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 439 AM CST Sun Jan 4 2026 .TODAY...Mostly sunny this morning, then becoming mostly cloudy. Highs in the lower 40s. Northeast winds around 5 mph, becoming south around 5 mph this afternoon. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. South winds 5 to 10 mph. .MONDAY...Sunny. Not as cool with highs in the mid 50s. South winds 5 to 10 mph. .MONDAY NIGHT...Partly cloudy and not as cool. Near steady temperature in the mid 40s. South winds 5 to 10 mph. .TUESDAY...Mostly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 40s. Chance of rain 20 percent. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Highs in the upper 50s. Lows in the mid 40s. .FRIDAY...Partly sunny. A chance of rain, mainly in the morning. Highs in the upper 50s. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening. Cooler with lows in the mid 30s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. Cooler with highs in the mid 40s. $$