| NWS Forecast for: Clinton County Issued by: National Weather Service Saint Louis, MO Last Update: 1133 AM CDT Wed Aug 5 2026 |  |
| This Afternoon: Mostly sunny. Highs in the upper 80s. South winds around 5 mph. Tonight: Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. South winds around 5 mph. Chance of rain 50 percent. Thursday: Mostly cloudy. Showers and thunderstorms likely, mainly in the morning. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 70 percent. Thursday Night: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows around 70. South winds around 5 mph. Chance of rain 50 percent. Friday: Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Saturday: Mostly sunny. Highs in the upper 80s. Heat index values up to 100. Saturday Night Through Monday: Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 105. Monday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. | |
| Zone Forecast: Clinton County | |
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