Lake Thompson, SD 7-Day Weather Forecast
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Lake Thompson Weather Forecast


Lake Thompson, SD Weather Forecast Date: 749 PM CDT Fri Aug 14 2026
Weather forecast for Lake Thompson, SD
| Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. |
| Sat Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Saturday... Cloudy in the morning, then becoming partly sunny. Areas of fog in the morning. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph, becoming west with gusts up to 20 mph in the afternoon. Chance of rain 40%. |
| Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Sunny. Highs in the upper 70s. North winds 5 to 10 mph. |
| Mon Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Monday... Sunny. Highs around 80. |
| Tue Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Tuesday... Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70%. |
| Wed Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. |
| Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Mostly sunny. Highs in the mid 70s. |
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