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Mount Vernon, SD 7-Day Weather Forecast
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Mount Vernon Weather Forecast
Mount Vernon, SD Weather Forecast Date: 639 AM CDT Wed Sep 30 2026
Weather forecast for Mount Vernon, SD
Today Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Today... Patchy dense fog this morning. Partly sunny. Highs in the mid 70s. Southwest winds around 5 mph. |
Thu Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Thursday... Mostly sunny. Cooler with highs in the mid 60s. North winds 10 to 15 mph with gusts up to 25 mph. |
| Fri Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Friday... Partly sunny. Highs in the lower 60s. East winds around 5 mph, becoming southeast with gusts up to 20 mph in the afternoon. |
| Sat Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Saturday... Mostly sunny. Highs in the upper 60s. |
| Sun Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Sunday... Sunny. Highs in the lower 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Monday... Mostly sunny and breezy. Highs in the mid 60s. |
| Tue Hi: 71°FHi: 22°C |
Tuesday... Mostly sunny. Highs in the lower 70s. |
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