Expires:202601020500;;628116 FPUS53 KLSX 012119 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 318 PM CST Thu Jan 1 2026 ILZ100-101-MOZ061-063-064-020500- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 318 PM CST Thu Jan 1 2026 .TONIGHT...Cloudy. Lows in the upper 20s. North winds around 5 mph. .FRIDAY...Cloudy. Highs in the upper 30s. Northeast winds around 5 mph. .FRIDAY NIGHT...Cloudy. Lows in the upper 20s. Northeast winds around 5 mph. .SATURDAY...Partly sunny in the morning, then clearing. Highs around 40. North winds around 5 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. Northwest winds around 5 mph in the evening, becoming light and variable. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the lower 40s. Lows in the lower 30s. .MONDAY...Mostly sunny. Not as cool with highs in the upper 50s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. Highs in the upper 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 around 60. $$