| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 318 PM CST Tue Jan 6 2026 | |
| Tonight: Mostly clear. Much cooler with lows in the lower 30s. West winds 5 to 10 mph. Wednesday: Sunny. Highs around 60. South winds 5 to 10 mph. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 40s. Southeast winds 5 to 10 mph. Thursday: Rain. Highs in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. Thursday Night: Mostly cloudy. Rain likely with a slight chance of thunderstorms in the evening, then a slight chance of rain after midnight. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. Friday: Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 50s. Friday Night: Mostly cloudy with a 40 percent chance of rain. Lows around 40. Saturday: Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the mid 40s. Temperature falling into the lower 40s in the afternoon. Saturday Night And Sunday: Partly cloudy. Lows in the mid 20s. Highs in the upper 30s. Sunday Night And Monday: Mostly clear. Lows in the mid 20s. Highs in the upper 40s. Monday Night And Tuesday: Partly cloudy. Lows in the lower 30s. Highs in the upper 40s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |