Weather WorldJohnson Dam, SD 7-Day Weather Forecast
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Johnson Dam Weather Forecast
Johnson Dam, SD Weather Forecast Date: 137 PM MST Wed Nov 11 2026
Weather forecast for Johnson Dam, SD
Today Hi: 59°FHi: 15°C Lo: 29°F Lo: -2°C |
This Afternoon... Sunny. Highs in the upper 50s. North winds 10 to 15 mph with gusts up to 25 mph. |
Thu Hi: 45°FHi: 7°C Lo: 25°F Lo: -4°C |
Thursday... Becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. |
| Fri Hi: 49°FHi: 9°C Lo: 29°F Lo: -2°C |
Friday... Partly cloudy. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 35 mph. |
| Sat Hi: 49°FHi: 9°C Lo: 29°F Lo: -2°C |
Saturday... Partly cloudy and breezy. Highs in the upper 40s. |
| Sun Hi: 51°FHi: 11°C Lo: 30°F Lo: -1°C |
Sunday... Partly cloudy in the morning, then clearing. Highs in the lower 50s. |
| Mon Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Monday... Partly cloudy in the morning, then clearing. Highs in the upper 50s. |
| Tue Hi: 55°FHi: 13°C |
Tuesday... Partly cloudy. Highs in the mid 50s. |
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