Weather WorldThomas Lake, SD 7-Day Weather Forecast
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Thomas Lake Weather Forecast
Thomas Lake, SD Weather Forecast Date: 331 PM CDT Tue Aug 25 2026
Weather forecast for Thomas Lake, SD
Tonight Lo: 59°F Lo: 15°C |
Tonight... Mostly clear and breezy. Lows in the upper 50s. Northwest winds 20 to 25 mph with gusts up to 35 mph, diminishing to 5 to 10 mph after midnight. |
Wed Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly sunny. Highs around 80. Northwest winds 10 to 15 mph with gusts up to 25 mph. |
| Thu Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph. |
Fri Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Friday... Partly sunny with a 20% chance of thunderstorms. Breezy with highs in the mid 80s. |
| Sat Hi: 89°FHi: 32°C Lo: 59°F Lo: 15°C |
Saturday... Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. |
Sun Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Sunday... Partly cloudy. Highs in the mid 80s. Lows in the upper 50s. |
Mon Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Monday... Partly sunny. A slight chance of showers in the afternoon. Highs around 80. Chance of rain 20%. |
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