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Culvert Lake, SD Weather Forecast
Culvert Lake, SD Weather Forecast Date: 821 AM CDT Thu Sep 10 2026
The area/counties/county of: Deuel, including the city of Clear Lake.or toggle through each period.
Today... Sunny. Highs in the lower 80s. Southwest winds 15 to 20 mph.
Tonight... Mostly clear and breezy. Not as cool with lows in the mid 60s. South winds 15 to 25 mph with gusts up to 35 mph.
Friday... Partly sunny and windy. Highs in the mid 80s. South winds 20 to 30 mph with gusts up to 40 mph.
Friday Night... Partly cloudy with a chance of thunderstorms in the evening, then mostly clear after midnight. Breezy, cooler with lows in the mid 50s. West winds 15 to 25 mph with gusts up to 40 mph, becoming north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 40%.
Saturday... Partly sunny. Not as warm with highs in the lower 70s. Northwest winds 10 to 15 mph.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Sunday... A chance of thunderstorms. Showers likely. Highs in the lower 60s. Chance of rain 70%.
Sunday Night... Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 80%.
Monday... Cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the lower 60s. Chance of rain 50%.
Monday Night... Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Tuesday... Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
POP = Probability of Precipitation
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