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Foster, MO 7-Day Weather Forecast
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Foster Weather Forecast
Foster, MO Weather Forecast Date: 802 PM CDT Sun Sep 06 2026
Weather forecast for Foster, MO
Tonight Lo: 71°F Lo: 22°C |
Tonight... Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 50%. |
Labor Day Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Labor Day... Mostly sunny. Hot with highs in the upper 90s. Southeast winds 5 to 10 mph. Heat index values up to 104 in the afternoon. |
| Tue Hi: 100°FHi: 38°C Lo: 75°F Lo: 24°C |
Tuesday... Sunny, hot with highs around 100. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106 in the afternoon. |
Wed Hi: 99°FHi: 37°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 60%. Heat index values up to 105. |
Thu Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Thursday... A chance of showers in the morning. Partly sunny. Not as warm with highs in the upper 80s. Chance of rain 40%. |
| Fri Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Friday... A chance of showers in the morning. Mostly sunny. Highs around 90. Chance of rain 30%. |
| Sat Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Saturday... Sunny. Highs in the lower 90s. |
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