| NWS Forecast for: St. Clair County Issued by: National Weather Service Saint Louis, MO Last Update: 127 AM CST Fri Jan 16 2026 | |
| Rest Of Tonight: Mostly cloudy and not as cool. Near steady temperature in the lower 30s. South winds 5 to 10 mph with gusts up to 25 mph. Friday: Partly sunny in the morning, then mostly cloudy with a slight chance of rain and snow in the afternoon. Not as cool with highs in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 20 percent. Friday Night: Mostly cloudy. A chance of snow, mainly in the evening. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 50 percent. Saturday: Mostly cloudy in the morning, then becoming partly sunny. Much cooler with highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. Saturday Night: Partly cloudy in the evening, then clearing. Cooler with lows around 11. Northwest winds 5 to 10 mph. Wind chill values as low as 2 above. Sunday And Sunday Night: Partly cloudy. Highs around 30. Lows 10 to 15. Wind chill values as low as zero. Martin Luther King Jr Day And Monday Night: Mostly clear. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as zero. Tuesday And Tuesday Night: Mostly clear. Highs in the mid 30s. Lows in the mid 20s. Wind chill values as low as 5 above. Wednesday And Wednesday Night: Partly cloudy. Highs in the mid 40s. Lows in the lower 20s. Thursday: Partly sunny. Highs in the lower 40s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |