| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 834 AM CST Sun Nov 1 2026 | |
| Today: Cloudy. Patchy fog this morning. A chance of rain, mainly this morning. Near steady temperature around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Tonight: Cloudy. Patchy fog. Near steady temperature in the upper 50s. Southeast winds 5 to 10 mph. Monday: Cloudy. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Monday Night: Cloudy. A chance of rain after midnight. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. Tuesday: Rain likely in the morning, then rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. Tuesday Night: Mostly cloudy. Rain likely with a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Lows in the mid 50s. Chance of rain 70 percent. Wednesday: Partly sunny. A chance of rain, mainly in the morning. Highs in the upper 60s. Chance of rain 40 percent. Wednesday Night: Partly cloudy. A slight chance of rain in the evening. Lows in the upper 40s. Chance of rain 20 percent. Thursday: Partly sunny. Highs in the upper 60s. Thursday Night: Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 40s. Chance of rain 20 percent. Friday And Friday Night: Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s. Saturday: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |