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Dunn, SD Weather Forecast
Dunn, SD Weather Forecast Date: 842 PM MDT Fri Aug 21 2026
The area/counties/county of: Southern Perkins, including the cities of: Usta, Bison, Sorum, and Zeona.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Saturday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. East winds 10 to 20 mph with gusts up to 30 mph.
Saturday Night... Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40%.
Sunday... Partly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the upper 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30%.
Sunday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. East winds 10 to 20 mph with gusts up to 30 mph, becoming southeast 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 30%.
Monday... Partly cloudy in the morning, then clearing. Highs in the lower 90s.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Tuesday... Partly cloudy in the morning, then clearing. Highs in the upper 80s.
Tuesday Night... Mostly clear. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs in the upper 80s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Thursday... Partly cloudy. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20%.
Thursday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 20%.
POP = Probability of Precipitation
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