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Barnhart, MO 7-Day Weather Forecast
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Barnhart Weather Forecast
Barnhart, MO Weather Forecast Date: 1038 PM CDT Wed Sep 09 2026
Weather forecast for Barnhart, MO
Tonight Lo: 70°F Lo: 21°C |
Tonight... Mostly cloudy with a chance of thunderstorms. A chance of showers late this evening, then showers. Lows around 70. Southwest winds around 5 mph, becoming north. Chance of rain 90%. |
Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... A chance of thunderstorms. Showers, mainly in the morning. Cooler with highs in the lower 80s. North winds around 5 mph. Chance of rain near 100%. |
Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of rain 20%. |
| Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. Heat index values up to 100 in the afternoon. |
Sun Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Sunday... Partly cloudy. Lows in the upper 60s. Highs around 90. Heat index values up to 100. |
Mon Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Monday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 105. |
| Tue Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 40%. Heat index values up to 100. |
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