| NWS Forecast for: Clinton County Issued by: National Weather Service Saint Louis, MO Last Update: 222 PM CDT Fri Jun 5 2026 |  |
| This Afternoon: Partly sunny. Near steady temperature in the mid 80s. Southwest winds around 15 mph. Tonight: Mostly cloudy. Lows around 70. South winds 10 to 15 mph. Saturday: Partly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph. Saturday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 30 percent. Sunday: Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 70 percent. Monday: Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 90 percent. Monday Night: A chance of thunderstorms. Showers likely. Lows in the lower 70s. Chance of rain 70 percent. Tuesday: Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. Tuesday Night: Mostly clear with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Wednesday And Wednesday Night: Mostly clear. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100. Thursday: Sunny. Highs in the lower 90s. Heat index values up to 105. | |
| Zone Forecast: Clinton County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |