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Green Lake, SD Weather Forecast
Green Lake, SD Weather Forecast Date: 821 PM CDT Sun Oct 18 2026
The area/counties/county of: Potter, including the city of Gettysburg.or toggle through each period.
Tonight... Mostly clear. Lows in the upper 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Monday... Sunny. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Mostly clear. Lows in the lower 40s. Southeast winds around 10 mph with gusts up to 20 mph.
Tuesday... Mostly sunny. Highs in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night... Mostly clear. Lows in the mid 40s. Southeast winds 10 to 15 mph.
Wednesday... Mostly clear. Highs in the upper 60s. Lows in the mid 40s.
Thursday... Mostly clear. Highs in the upper 60s. Lows in the mid 40s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Breezy and not as cool with lows in the mid 50s.
Friday... Partly sunny. A chance of showers, mainly in the morning. Windy with highs in the mid 70s. Chance of rain 30%.
Friday Night... Mostly cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Windy with lows in the lower 50s. Chance of rain 50%.
Saturday... Partly sunny. A slight chance of showers in the morning. Cooler with highs around 60. Chance of rain 20%.
Saturday Night... Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
POP = Probability of Precipitation
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