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Lake Sinai, SD 7-Day Night Weather Forecast
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Lake Sinai, SD Weather Forecast
Lake Sinai, SD Weather Forecast Date: 133 AM CDT Mon Aug 31 2026
The area/counties/county of: Brookings, including the city of Brookings.or toggle through each period.
Rest of Tonight... Partly cloudy. Near steady temperature in the upper 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Monday... Mostly sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Monday Night... Partly cloudy. Lows in the lower 60s. South winds around 5 mph.
Tuesday... Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of rain 20%.
Tuesday Night... Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 80%.
Wednesday... Mostly sunny. Highs in the lower 80s.
Wednesday Night... Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40%.
Thursday... Sunny. Highs in the mid 80s.
Thursday Night... Mostly clear. Lows in the mid 60s.
Friday... Sunny. Highs in the upper 80s.
Friday Night... Mostly clear. Lows in the upper 60s.
Saturday... Mostly sunny. Highs in the upper 80s.
Saturday Night... Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30%.
POP = Probability of Precipitation
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