Expires:202601022100;;664840 FPUS53 KLSX 021329 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 729 AM CST Fri Jan 2 2026 ILZ058-059-098-099-022100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 729 AM CST Fri Jan 2 2026 .TODAY...Mostly cloudy. Highs in the mid 30s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly cloudy. Lows in the mid 20s. Northeast winds around 5 mph. .SATURDAY...Partly sunny in the morning, then clearing. Highs in the upper 30s. North winds around 5 mph. .SATURDAY NIGHT...Mostly clear. Lows in the lower 20s. Northwest winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Mostly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s. East winds around 5 mph, becoming southeast in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .MONDAY...Sunny. Not as cool with highs in the mid 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 30s. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. .WEDNESDAY...Mostly sunny. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the lower 40s. Chance of rain 20 percent. .THURSDAY...Mostly cloudy with a 40 percent chance of rain. Highs in the upper 50s. $$