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Rousseau, SD Weather Forecast
Rousseau, SD Weather Forecast Date: 922 AM CDT Tue Sep 22 2026
The area/counties/county of: Hughes, including the city of Pierre.or toggle through each period.
Rest of Today... Mostly cloudy. A slight chance of drizzle late this morning. Highs in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Tonight... Mostly cloudy. A chance of showers after midnight. Breezy with lows around 50. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%.
Wednesday... Cloudy with a 20% chance of showers. Windy with highs in the upper 60s. Southeast winds 20 to 30 mph with gusts up to 40 mph.
Wednesday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows in the mid 50s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%.
Thursday... Partly sunny. Highs in the mid 70s. Southeast winds 5 to 10 mph, becoming east in the afternoon.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of rain 40%.
Friday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Friday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 40%.
Saturday... Partly sunny. Highs in the mid 70s.
Saturday Night... Mostly clear. Lows in the mid 50s.
Sunday... Partly sunny. Highs in the lower 70s.
Sunday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. Chance of rain 30%.
POP = Probability of Precipitation
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