Expires:202512221100;;003866 FPUS53 KLSX 220334 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 933 PM CST Sun Dec 21 2025 ILZ069-070-074-221100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 933 PM CST Sun Dec 21 2025 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 20s. Southeast winds around 5 mph. .MONDAY...Mostly sunny in the morning, then becoming mostly cloudy. Not as cool with highs in the lower 50s. South winds 5 to 10 mph with gusts up to 20 mph. .MONDAY NIGHT...Mostly cloudy and not as cool. Near steady temperature in the upper 40s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Not as cool with highs in the lower 60s. Southwest winds 5 to 10 mph, becoming west in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. East winds around 5 mph. .WEDNESDAY...Cloudy. Highs in the upper 60s. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Not as cool with lows in the upper 50s. .CHRISTMAS DAY AND THURSDAY NIGHT...Mostly cloudy. Highs in the lower 70s. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. .SATURDAY...Mostly cloudy. Highs in the lower 60s. .SATURDAY NIGHT...Mostly cloudy. A chance of rain, mainly in the evening. Much cooler with lows in the lower 30s. Chance of rain 30 percent. .SUNDAY...Partly sunny in the morning, then clearing. Much cooler with highs in the lower 40s. $$