Weather WorldDeans Lake, SD 7-Day Weather Forecast
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Deans Lake Weather Forecast
Deans Lake, SD Weather Forecast Date: 929 PM CDT Mon Oct 12 2026
Weather forecast for Deans Lake, SD
Tonight Lo: 41°F Lo: 5°C |
Tonight... Cloudy. A chance of sprinkles after midnight. Lows in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. |
| Tue Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Tuesday... Cloudy with a chance of sprinkles. Highs in the mid 50s. Northwest winds 5 to 10 mph. |
Wed Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Wednesday... Sunny. Highs around 60. North winds 5 to 10 mph. |
Thu Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Thursday... Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 50%. |
| Fri Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Friday... Sunny. Highs in the mid 50s. |
| Sat Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Saturday... Sunny, breezy, warmer with highs in the upper 60s. |
| Sun Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Sunday... Mostly sunny. Highs around 70. |
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