64635 Weather (Chillicothe, MO)

Weather forecast for: Chillicothe MO

Last Update: 6:06 am CDT Sep 8, 2026

Today: Sunny and hot, with a high near 97. Heat index values as high as 104. South wind around 9 mph.

Tonight: A chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 87. Light and variable wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming northeast around 5 mph.

Thursday Night: Mostly clear, with a low around 61.

Friday: Sunny, with a high near 86.

Friday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.

Saturday: A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Saturday Night: A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 40%.

Sunday: A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

Monday: A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 50%.