Boone County Forecast | As of Fri Aug 14, 2026 - 7:57 PM CDT
..Extreme Heat Warning In Effect Until 9 Pm Cdt Sunday
Tonight
Partly cloudy this evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108 early this evening.
Saturday
Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106.
Saturday Night
Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 104 early in the evening.
Sunday
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107 in the afternoon.
Sunday Night
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 40 percent. Heat index values up to 103 early in the evening.
Monday And Monday Night
Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 20 percent.
Tuesday
Sunny. Highs in the lower 90s.
Tuesday Night
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent.
Wednesday
Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 30 percent.
Thursday
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 80s. Chance of rain 30 percent.
Thursday Night
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.
Friday
Mostly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
