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Jack Lake Weather Forecast
Jack Lake, SD Weather Forecast Date: 327 PM CDT Sat Aug 15 2026
Weather forecast for Jack Lake, SD
Late Today Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Late This Afternoon... Partly cloudy. Near steady temperature around 80. North winds 10 to 15 mph with gusts up to 25 mph. |
Sun Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Mostly sunny. Highs around 80. East winds 5 to 10 mph. |
Mon Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Monday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming northwest in the afternoon. Chance of rain 40%. |
| Tue Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Tuesday... Becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%. |
| Wed Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40%. |
Thu Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. Chance of rain 20%. |
| Fri Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Friday... Partly cloudy in the morning, then clearing. Highs in the mid 80s. |
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