Expires:202512260100;;207611 FPUS53 KLSX 251704 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1104 AM CST Thu Dec 25 2025 ILZ102-MOZ065-260100- Monroe IL-Jefferson MO- 1104 AM CST Thu Dec 25 2025 .THIS AFTERNOON...Mostly sunny. Highs in the lower 70s. Southwest winds around 5 mph, becoming southeast. .TONIGHT...Mostly cloudy. Lows in the upper 50s. South winds 5 to 10 mph with gusts up to 20 mph. .FRIDAY...Partly sunny in the morning, then clearing. Highs in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening, then becoming mostly cloudy. Cooler with lows in the mid 40s. North winds around 5 mph, becoming east after midnight. .SATURDAY...Partly sunny. Highs around 70. Southeast winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy and not as cool. Near steady temperature in the lower 60s. .SUNDAY...Cloudy. A chance of rain in the morning, then rain likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Temperature falling to around 60 in the afternoon. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of rain with a slight chance of snow in the evening. Much cooler with lows around 20. Chance of precipitation 50 percent. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the upper 20s. Lows 15 to 20. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the upper 30s. Lows in the mid 20s. .WEDNESDAY...Partly sunny. Highs in the mid 40s. $$