| NWS Forecast for: St. Clair County Issued by: National Weather Service Springfield, MO Last Update: 1052 AM CDT Mon Aug 31 2026 |  |
Rest Of Today: Sunny, hot with highs around 101. Southwest winds 5 to 10 mph with gusts up to 20 mph. Tonight: Clear. Lows in the mid 70s. South winds around 5 mph. Tuesday: Sunny, hot with highs around 100. Southwest winds 5 to 10 mph. Tuesday Night: Mostly clear. Humid with lows in the upper 70s. South winds around 5 mph. Wednesday: Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the upper 70s. Thursday: Sunny, hot with highs in the upper 90s. Thursday Night Through Sunday: Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. | |
| Zone Forecast: St. Clair County | |
Visit your local NWS office at: https://www.weather.gov/sgf |