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Round Lake, SD Weather Forecast
Round Lake, SD Weather Forecast Date: 621 PM CST Wed Nov 04 2026
The area/counties/county of: Roberts, including the city of Sisseton.or toggle through each period.
Tonight... Mostly cloudy. Patchy fog after midnight. Breezy with lows in the lower 30s. North winds 15 to 25 mph. Gusts up to 40 mph this evening.
Thursday... Patchy fog in the morning. Mostly cloudy. Highs around 40. North winds 15 to 20 mph. Gusts up to 35 mph in the morning.
Thursday Night... Mostly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.
Friday... Partly sunny. Highs in the lower 40s. South winds around 5 mph.
Friday Night... Partly cloudy in the evening, then clearing. Lows in the upper 20s. South winds 5 to 10 mph.
Saturday... Partly sunny. Not as cool with highs in the mid 50s.
Saturday Night... Mostly clear. Lows in the mid 30s. Highs in the upper 50s.
Sunday... Mostly clear. Lows in the mid 30s. Highs in the upper 50s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the lower 40s.
Monday... Partly sunny. Highs around 60.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.
Tuesday... Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.
Wednesday... Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.
POP = Probability of Precipitation
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