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Lake Herman, SD 7-Day Weather Forecast
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Lake Herman Weather Forecast
Lake Herman, SD Weather Forecast Date: 1149 AM CDT Sat Aug 15 2026
Weather forecast for Lake Herman, SD
Today Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
This Afternoon... Cloudy with a slight chance of thunderstorms. A chance of showers early, then showers likely. Near steady temperature in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%. |
Sun Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Sunday... Sunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph. |
| Mon Hi: 80°FHi: 27°C Lo: 60°F Lo: 16°C |
Monday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30%. |
| Tue Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60%. |
| Wed Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly sunny. Highs in the mid 70s. |
Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30%. |
| Fri Hi: 79°FHi: 26°C |
Friday... Sunny. Highs in the upper 70s. |
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