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Erwin Weather Forecast
Erwin, SD Weather Forecast Date: 649 PM CDT Wed Sep 09 2026
Weather forecast for Erwin, SD
Tonight Lo: 51°F Lo: 11°C |
Tonight... Mostly clear. Lows in the lower 50s. West winds 5 to 10 mph, becoming south after midnight. |
Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Sunny. Highs in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. |
| Fri Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Friday... Mostly sunny and breezy. Highs in the upper 80s. South winds 20 to 25 mph with gusts up to 40 mph. |
| Sat Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Saturday... Mostly sunny. Not as warm with highs in the lower 70s. |
Sun Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Sunday... A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 70%. |
Mon Hi: 70°FHi: 21°C Lo: 49°F Lo: 9°C |
Monday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs around 70. Chance of rain 40%. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly sunny. Highs in the upper 60s. |
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