| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 444 PM CST Sat Jan 10 2026 | |
Tonight: Mostly cloudy with rain showers likely with a slight chance of snow showers this evening, then mostly clear with a chance of flurries after midnight. Cooler with lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 40 mph. Chance of precipitation 60 percent. Sunday: Sunny. Highs in the upper 30s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the morning. Sunday Night: Clear. Lows in the upper 20s. Southwest winds 5 to 10 mph. Monday: Sunny. Not as cool with highs in the lower 50s. Southwest winds 5 to 10 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph. Tuesday And Tuesday Night: Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s. Wednesday: Mostly cloudy. Much cooler with highs in the lower 40s. Temperature falling into the upper 30s in the afternoon. Wednesday Night And Thursday: Partly cloudy. Lows around 20. Highs in the upper 30s. Thursday Night And Friday: Mostly cloudy. Lows around 30. Highs in the lower 40s. Friday Night And Saturday: Mostly cloudy. Lows in the mid 20s. Highs in the mid 30s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |