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Lake Alvin, SD 7-Day Weather Forecast
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Lake Alvin Weather Forecast
Lake Alvin, SD Weather Forecast Date: 224 PM CDT Sun Aug 09 2026
Weather forecast for Lake Alvin, SD
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy. A chance of sprinkles this evening. Patchy fog after midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph. |
Mon Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Monday... Partly sunny. A slight chance of showers and thunderstorms in the morning. Patchy fog in the morning. Humid with highs in the mid 80s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 20%. |
Tue Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. |
Wed Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Partly sunny. Highs in the lower 80s. |
Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 50%. |
Fri Hi: 71°FHi: 22°C Lo: 60°F Lo: 16°C |
Friday... Mostly cloudy with a chance of showers. Highs in the lower 70s. Chance of rain 40%. |
| Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 40%. |
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