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Lake Alvin, SD 7-Day Night Weather Forecast
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Lake Alvin, SD Weather Forecast
Lake Alvin, SD Weather Forecast Date: 1054 AM CDT Sat Aug 08 2026
The area/counties/county of: Lincoln, including the cities of: Canton, Lennox, Tea, and Harrisburg.or toggle through each period.
Rest of Today... Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Chance of rain 20%.
Tonight... Partly cloudy. Much warmer. Humid with lows in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday... Mostly sunny. Humid with highs in the mid 80s. Southeast winds 5 to 10 mph, becoming northeast with gusts up to 20 mph in the afternoon.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the mid 60s. East winds 10 to 15 mph.
Monday... Mostly cloudy in the morning, then becoming mostly sunny. Humid with highs in the mid 80s. East winds 5 to 10 mph with gusts up to 20 mph.
Monday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30%.
Tuesday... Partly sunny. Highs in the mid 80s.
Tuesday Night... Partly cloudy. Lows in the mid 60s.
Wednesday... Partly sunny. Highs in the lower 80s.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Thursday Night... Mostly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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