| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 423 AM CST Sat Nov 22 2025 | |
| Today: Patchy fog this morning. Mostly cloudy with patchy very light drizzle this morning, then mostly sunny this afternoon. Highs in the mid 50s. North winds 5 to 10 mph, becoming west this afternoon. Tonight: Mostly clear. Lows around 40. West winds around 5 mph. Sunday: Sunny. Highs in the upper 50s. North winds around 5 mph. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Southeast winds around 5 mph. Monday: Cloudy. A slight chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. Monday Night: Mostly cloudy. Showers, mainly in the evening. Near steady temperature in the lower 50s. Chance of rain 90 percent. Tuesday: Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. Tuesday Night And Wednesday: Partly cloudy. Lows in the mid 30s. Highs in the upper 40s. Wednesday Night Through Friday: Partly cloudy. Lows in the upper 20s. Highs in the mid 40s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |