| NWS Forecast for: Boone County Issued by: National Weather Service Saint Louis, MO Last Update: 1158 AM CDT Mon Jul 6 2026 |  |
| This Afternoon: Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph. Tonight: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Tuesday: Sunny. Highs in the upper 80s. Northeast winds around 5 mph. Tuesday Night: Mostly clear. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Wednesday: Sunny. Highs in the lower 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the lower 70s. Thursday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. Thursday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the mid 70s. Chance of rain 70 percent. Heat index values up to 100 early in the evening. Friday And Friday Night: Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. Saturday: Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Sunday: Sunny. Highs in the lower 90s. | |
| Zone Forecast: Boone County | |
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