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Johnson Lake, SD 7-Day Weather Forecast
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Johnson Lake Weather Forecast
Johnson Lake, SD Weather Forecast Date: 159 PM CST Thu Nov 05 2026
Weather forecast for Johnson Lake, SD
Today Hi: 39°FHi: 4°C Lo: 29°F Lo: -2°C |
This Afternoon... Cloudy. Near steady temperature in the upper 30s. North winds 10 to 15 mph. |
Fri Hi: 41°FHi: 5°C Lo: 30°F Lo: -1°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 40s. South winds around 5 mph. |
Sat Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Saturday... Mostly sunny. Not as cool with highs in the mid 50s. Southwest winds 5 to 10 mph. |
| Sun Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Sunday... Sunny. Highs in the upper 50s. |
| Mon Hi: 60°FHi: 16°C Lo: 35°F Lo: 2°C |
Monday... Mostly sunny. Highs around 60. |
| Tue Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Tuesday... Mostly sunny. Highs in the mid 50s. |
| Veterans Day Hi: 55°FHi: 13°C |
Veterans Day... Sunny. Highs in the mid 50s. |
Johnson Lake Radar Loop
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