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Sully Lake, SD Weather Forecast
Sully Lake, SD Weather Forecast Date: 1121 AM CST Wed Nov 04 2026
The area/counties/county of: Sully, including the city of Onida.or toggle through each period.
Rest of Today... Mostly cloudy. Highs in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Tonight... Mostly cloudy. Patchy fog after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Thursday... Patchy fog in the morning. Partly sunny. Highs in the upper 40s. North winds 5 to 10 mph.
Thursday Night... Partly cloudy. Lows in the mid 20s. East winds 5 to 10 mph, becoming southeast after midnight.
Friday... Partly sunny. Highs in the upper 40s. Southeast winds 5 to 10 mph.
Friday Night... Partly cloudy. Lows in the upper 20s.
Saturday... Mostly clear. Highs in the upper 50s. Lows in the lower 30s.
Sunday... Mostly clear. Highs in the upper 50s. Lows in the lower 30s.
Sunday Night... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
Monday... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
Monday Night... Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.
POP = Probability of Precipitation
Sully Lake Radar Loop
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