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Round Lake, SD Weather Forecast
Round Lake, SD Weather Forecast Date: 721 PM CST Fri Nov 06 2026
The area/counties/county of: Roberts, including the city of Sisseton.or toggle through each period.
Tonight... Mostly cloudy this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph this evening.
Saturday... Patchy fog in the morning. Partly sunny. Not as cool with highs in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night... Partly cloudy in the evening, then clearing. Lows in the upper 30s. West winds 10 to 15 mph with gusts up to 25 mph.
Sunday... Mostly sunny. Highs in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph, becoming southwest in the afternoon.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph.
Monday... Partly sunny. Highs in the upper 50s.
Monday Night... Mostly clear. Lows in the mid 30s.
Tuesday... Partly sunny. Highs around 50.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s.
Veterans Day... Partly cloudy. Highs around 50. Lows in the lower 30s.
Thursday... Partly cloudy. Highs around 50. Lows in the lower 30s.
POP = Probability of Precipitation
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