Expires:202512092100;;278645 FPUS53 KLSX 091355 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 754 AM CST Tue Dec 9 2025 ILZ102-MOZ065-092100- Monroe IL-Jefferson MO- 754 AM CST Tue Dec 9 2025 .TODAY...Sunny. Not as cool with highs in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Mostly cloudy and not as cool. Near steady temperature in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 35 mph. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 40s. Temperature falling into the upper 30s in the afternoon. Northwest winds 15 to 25 mph with gusts up to 40 mph. .WEDNESDAY NIGHT...Mostly cloudy. Cooler with lows in the mid 20s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Highs in the lower 40s. Southwest winds around 5 mph, becoming south around 5 mph in the afternoon. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 20. Highs in the lower 30s. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 10 above. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the mid 20s. Lows around 15. .MONDAY...A slight chance of snow in the morning. Partly sunny with a slight chance of rain. Not as cool with highs in the upper 30s. Chance of precipitation 20 percent. $$