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Lake Madison, SD 7-Day Weather Forecast
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Lake Madison Weather Forecast
Lake Madison, SD Weather Forecast Date: 409 AM CDT Fri Aug 14 2026
Weather forecast for Lake Madison, SD
Today Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Today... Mostly cloudy with a chance of showers. A slight chance of thunderstorms this afternoon. Highs in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%. |
| Sat Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Saturday... Mostly cloudy in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50%. |
Sun Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Sunny. Highs in the mid 70s. North winds 5 to 10 mph with gusts up to 20 mph. |
| Mon Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Monday... Mostly sunny. Highs in the upper 70s. |
| 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 60%. |
Wed Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. |
| Thu Hi: 75°FHi: 24°C |
Thursday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. |
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