Weather forecast for: Barnhart MO
Last Update: 9:26 pm CDT Sep 7, 2026
Overnight: Clear, with a low around 62. Calm wind.
Tuesday: Mostly sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night: Mostly clear, with a low around 72. South wind 3 to 6 mph.
Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 110. South wind 5 to 7 mph becoming west in the afternoon.
Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 69. Light and variable wind. Chance of precipitation is 90%.
Thursday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. Chance of precipitation is 80%.
Thursday Night: Partly cloudy, with a low around 63.
Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 87.
Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night: A 20 percent chance of showers. Mostly clear, with a low around 66.
Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 89.
Sunday Night: Mostly clear, with a low around 65.
Monday: A 20 percent chance of showers. Sunny, with a high near 88.
WeatherWorld.com
