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Deans Lake, SD 7-Day Night Weather Forecast
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Deans Lake, SD Weather Forecast
Deans Lake, SD Weather Forecast Date: 1029 PM CDT Mon Oct 19 2026
The area/counties/county of: Jerauld, including the cities of: Wessington Springs and Alpena.or toggle through each period.
Overnight... Mostly clear. Lows in the mid 40s. Southeast winds 5 to 10 mph.
Tuesday... Sunny. Highs around 70. South winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Clear. Lows in the upper 40s. South winds 5 to 10 mph.
Wednesday... Sunny. Highs in the lower 70s. Southeast winds around 5 mph, becoming east in the afternoon.
Wednesday Night... Mostly clear. Lows in the upper 40s. East winds around 5 mph.
Thursday... Sunny. Highs in the mid 70s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.
Friday... Partly sunny and windy. Highs in the mid 70s.
Friday Night... Mostly cloudy and breezy. Lows in the upper 50s.
Saturday... Partly sunny. A chance of showers in the afternoon. Cooler with highs in the mid 60s. Chance of rain 30%.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. Much cooler with lows in the lower 40s.
Sunday... Mostly sunny. Highs in the upper 50s.
Sunday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
Deans Lake Radar Loop
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