Weather forecast for: Foster MO
Last Update: 4:01 am CDT Sep 7, 2026
Labor Day: A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 104. East southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight: Mostly clear, with a low around 74. East southeast wind around 6 mph.
Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 105. South wind 6 to 9 mph.
Tuesday Night: Clear, with a low around 77. South wind 5 to 7 mph.
Wednesday: Showers and possibly a thunderstorm after 1pm. High near 98. South southwest wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday: Mostly sunny, with a high near 86.
Thursday Night: A chance of showers after 1am. Mostly clear, with a low around 63. Chance of precipitation is 30%.
Friday: Mostly sunny, with a high near 91.
Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday: Sunny, with a high near 92.
Saturday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 67. Chance of precipitation is 30%.
Sunday: A chance of showers. Sunny, with a high near 90. Chance of precipitation is 30%.