Expires:202512270500;;276645 FPUS53 KLSX 262119 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 318 PM CST Fri Dec 26 2025 ILZ079-MOZ075-270500- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 318 PM CST Fri Dec 26 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Cooler with lows in the mid 40s. North winds around 5 mph, becoming northeast around 5 mph after midnight. .SATURDAY...Patchy fog in the morning. Partly sunny. Highs in the mid 60s. Southeast winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy and not as cool. Near steady temperature in the lower 60s. South winds around 10 mph with gusts up to 25 mph. .SUNDAY...Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy with rain likely in the evening, then partly cloudy with a slight chance of rain and snow after midnight. Little or no snow accumulation. Breezy and much cooler. Less humid with lows in the lower 20s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 70 percent. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the upper 20s. Lows around 20. .TUESDAY...Sunny. Highs in the upper 30s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .WEDNESDAY...Partly sunny. Highs in the mid 40s. .WEDNESDAY NIGHT AND NEW YEARS DAY...Partly cloudy. Lows in the lower 20s. Highs in the lower 30s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 15 to 20. Highs in the lower 30s. $$