Weather forecast for: Tarkio MO
Last Update: 8:47 pm CDT Sep 12, 2026
Tonight: A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 73. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday: A chance of showers and thunderstorms, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 90. Heat index values as high as 99. Breezy, with a southeast wind 17 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 69. Breezy, with a south wind 17 to 22 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday: Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 100%.
Wednesday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%.
Wednesday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Thursday: Showers likely before 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Friday: A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Friday Night: A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday: Partly sunny, with a high near 72.
WeatherWorld.com
