| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 854 AM CDT Fri Oct 30 2026 |  |
| Today: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. East winds 5 to 10 mph. Tonight: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph. Saturday: Cloudy with a chance of sprinkles. Highs in the mid 70s. East winds around 5 mph. Saturday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph. Sunday: Mostly cloudy. A chance of showers, mainly in the morning. Highs around 70. Southeast winds around 5 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. Monday And Monday Night: Mostly cloudy with a 50 percent chance of showers. Highs in the lower 70s. Lows around 60. Tuesday: Showers likely. Highs in the lower 70s. Chance of rain 60 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50 percent. Wednesday: Partly sunny with a 40 percent chance of showers. Highs in the upper 60s. Wednesday Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 40s. Thursday: Mostly sunny. A slight chance of showers in the morning. Highs in the upper 60s. Chance of rain 20 percent. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |