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Erwin, SD Weather Forecast
Erwin, SD Weather Forecast Date: 614 PM CDT Thu Oct 29 2026
The area/counties/county of: Kingsbury, including the cities of: De Smet, Arlington, and Lake Preston.or toggle through each period.
Tonight... Partly cloudy. Lows in the upper 30s. East winds around 10 mph.
Friday... Partly sunny. Highs in the mid 50s. East winds 10 to 15 mph with gusts up to 25 mph.
Friday Night... Cloudy. A chance of showers after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50%.
Saturday... Mostly cloudy. A chance of showers in the morning. Highs around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40%.
Saturday Night... Mostly cloudy. Lows around 50. South winds around 10 mph with gusts up to 20 mph.
Sunday... Mostly cloudy. Highs in the lower 60s.
Sunday Night... Cloudy. Showers likely after midnight. Lows in the lower 50s. Chance of rain 60%.
Monday... Showers. Highs around 60. Chance of rain 90%.
Monday Night... Showers likely, mainly in the evening. Lows in the upper 40s. Chance of rain 70%.
Tuesday... Showers likely. Highs in the mid 50s. Chance of rain 60%.
Tuesday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 40s.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 40s.
Wednesday Night... Mostly cloudy. Lows in the mid 30s.
POP = Probability of Precipitation
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