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Whitehorse, SD Weather Forecast
Whitehorse, SD Weather Forecast Date: 111 AM MDT Tue Oct 13 2026
The area/counties/county of: Dewey, including the city of Isabel.or toggle through each period.
Rest of Tonight... Cloudy with a 50% chance of showers. Near steady temperature in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday... Mostly cloudy with a 50% chance of showers. Highs around 50. Northwest winds 5 to 10 mph.
Tuesday Night... Mostly cloudy in the evening, then clearing. Patchy frost after midnight. Lows in the lower 30s. Northwest winds 5 to 10 mph.
Wednesday... Areas of frost in the morning. Mostly sunny. Highs in the upper 50s. Northwest winds around 5 mph, becoming east in the afternoon.
Wednesday Night... Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 30s. Southeast winds around 5 mph, becoming southwest around 5 mph after midnight. Chance of rain 30%.
Thursday... Partly sunny. A chance of showers in the morning. Windy with highs in the lower 60s. Chance of rain 30%.
Thursday Night... Mostly clear and windy. Lows in the lower 30s.
Friday... Widespread frost in the morning. Sunny. Highs in the upper 50s.
Friday Night... Clear. Lows in the upper 30s. Highs in the lower 70s.
Saturday... Clear. Lows in the upper 30s. Highs in the lower 70s.
Saturday Night... Mostly clear. Lows in the mid 40s.
Sunday... Partly sunny. Highs in the lower 70s.
Sunday Night... Mostly clear. Lows in the lower 40s. Highs around 70.
POP = Probability of Precipitation
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