Weather forecast for: Tarkio MO
Last Update: 5:41 am CDT Sep 13, 2026
Today: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 69. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 61. East southeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 99. Breezy, with an east southeast wind 15 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 and possibly a thunderstorm after 7pm. Low around 68. Breezy, with a south wind 16 to 21 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday: Showers and possibly a thunderstorm. High near 73. Light north wind becoming north northeast 5 to 9 mph in the morning. 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 61. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 76. Chance of precipitation is 90%.
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday: Partly sunny, with a high near 74.