Expires:202512230800;;053419 FPUS53 KLSX 230019 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 619 PM CST Mon Dec 22 2025 ILZ079-MOZ075-230800- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 619 PM CST Mon Dec 22 2025 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Not as cool. Near steady temperature in the upper 40s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. Not as cool with highs in the mid 60s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. East winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the upper 60s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds 5 to 10 mph. .CHRISTMAS DAY AND THURSDAY NIGHT...Mostly cloudy. Highs in the lower 70s. Lows around 60. .FRIDAY...Sunny. Highs in the mid 70s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 50s. .SATURDAY...Mostly cloudy. Highs in the lower 70s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Cooler with lows around 40. Chance of rain 30 percent. .SUNDAY...Mostly cloudy with a slight chance of rain in the morning, then partly sunny in the afternoon. Much cooler with highs in the upper 40s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper 30s. $$