130300- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 249 PM CDT Wed Aug 12 2026
..extreme heat warning in effect until 9 pm cdt saturday Tonight Partly cloudy this evening, then becoming mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 104 early this evening. Thursday Mostly sunny. Hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 108 in the afternoon. Thursday night Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 108 early in the evening. Friday Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 109 in the afternoon. Friday night Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108 early in the evening. Saturday through sunday Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 105. Sunday night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Monday Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. Monday night Partly cloudy with a 20 percent chance of showers. Lows around 70. Tuesday Mostly sunny. Highs around 90. Tuesday night and wednesday Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.