Weather WorldHarrison Flat School, SD 7-Day Weather Forecast
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Harrison Flat School Weather Forecast
Harrison Flat School, SD Weather Forecast Date: 1152 PM MDT Tue Aug 11 2026
Weather forecast for Harrison Flat School, SD
Tonight Lo: 61°F Lo: 16°C |
Tonight... Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph. |
Wed Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 50%. |
| Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. East winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Chance of rain 70%. |
| Fri Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Friday... Becoming partly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30%. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%. |
| Sun Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Sunday... Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30%. |
| Mon Hi: 89°FHi: 32°C Lo: 60°F Lo: 16°C |
Monday... Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. |
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