Expires:202512290300;;391358 FPUS53 KLSX 281955 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 155 PM CST Sun Dec 28 2025 ILZ058-059-098-099-290300- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 155 PM CST Sun Dec 28 2025 ...WIND ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY... .THIS AFTERNOON...Mostly cloudy with a chance of rain and thunderstorms. Breezy and not as cool with highs in the upper 60s. Temperature falling to around 50 late. West winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy. A slight chance of rain in the evening. Windy and much cooler with lows around 18. West winds 25 to 30 mph with gusts up to 45 mph. Chance of rain 20 percent. Wind chill values as low as 2 below after midnight. .MONDAY...Mostly cloudy in the morning, then clearing. Windy and much cooler with highs in the mid 20s. Northwest winds 20 to 30 mph with gusts up to 40 mph. Wind chill values as low as 2 below. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 16. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 4 above. .TUESDAY...Mostly sunny. Highs in the mid 30s. West winds 5 to 10 mph. Wind chill values as low as 5 above in the morning. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 40. Lows in the lower 20s. .NEW YEARS DAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid 30s. Lows around 20. .FRIDAY THROUGH SATURDAY...Mostly cloudy. Highs around 40. Lows in the mid 20s. $$