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Island School, SD 7-Day Weather Forecast
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Island School Weather Forecast
Island School, SD Weather Forecast Date: 459 PM CDT Fri Aug 14 2026
Weather forecast for Island School, SD
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening. Patchy fog after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of rain 30%. |
Sat Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Saturday... Mostly cloudy. Areas of fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds around 5 mph. Chance of rain 50%. |
Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Mostly sunny. Humid with highs in the mid 70s. North winds 5 to 10 mph. |
| Mon Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Monday... Mostly sunny. Highs in the upper 70s. |
| Tue Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50%. |
Wed Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. |
| Thu Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Thursday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. |
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