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Summit Lake, SD 7-Day Weather Forecast
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Summit Lake Weather Forecast
Summit Lake, SD Weather Forecast Date: 322 AM CDT Mon Oct 12 2026
Weather forecast for Summit Lake, SD
Today Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Today... Mostly cloudy. A slight chance of showers this morning, then a chance of showers this afternoon. Areas of dense fog this morning, then patchy dense fog this afternoon. Highs in the mid 60s. North winds 10 to 15 mph. Chance of rain 30%. |
Tue Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph. |
Wed Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Wednesday... Mostly sunny. Highs in the upper 50s. North winds 5 to 10 mph. |
| Thu Hi: 60°FHi: 16°C Lo: 39°F Lo: 4°C |
Thursday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs around 60. Chance of rain 20%. |
| Fri Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Friday... Mostly sunny and breezy. Highs in the lower 50s. |
| Sat Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Saturday... Widespread frost in the morning. Mostly sunny. Breezy with highs in the lower 60s. |
| Sun Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Sunday... Mostly clear and breezy. Lows in the mid 40s. Highs in the upper 60s. |
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