Expires:202601250500;;467861 FPUS53 KLSX 242119 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 318 PM CST Sat Jan 24 2026 ILZ102-MOZ065-250500- Monroe IL-Jefferson MO- 318 PM CST Sat Jan 24 2026 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST SUNDAY... ...COLD WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO NOON CST MONDAY... .TONIGHT...Snow. Snow may be heavy at times after midnight. Snow accumulation of 4 to 6 inches. Near steady temperature around 10 above. Northeast winds 5 to 10 mph. Chance of snow near 100 percent. Wind chill values as low as 3 below. .SUNDAY...Snow. Snow may be heavy at times in the morning. Total snow accumulation of 8 to 12 inches. Highs around 16. North winds 10 to 15 mph with gusts up to 25 mph. Chance of snow near 100 percent. Wind chill values as low as 4 below. .SUNDAY NIGHT...Mostly cloudy in the evening, then clearing. Colder with lows around 3 below. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 18 below. .MONDAY...Sunny. Highs around 17. West winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 17 below in the morning. .MONDAY NIGHT...Clear, cold with lows around 3 above. Temperature rising to around 12 after midnight. Southwest winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 6 below in the evening. .TUESDAY...Sunny. Not as cool with highs in the lower 30s. Wind chill values as low as zero in the morning. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows zero to 5 above zero. Highs in the upper 20s. .THURSDAY...Partly sunny. Highs in the lower 20s. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows zero to 5 above zero. Highs in the mid 20s. $$