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Big Lake, SD 7-Day Night Weather Forecast
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Big Lake, SD Weather Forecast
Big Lake, SD Weather Forecast Date: 637 AM CDT Wed Aug 12 2026
The area/counties/county of: Campbell, including the city of Herreid.or toggle through each period.
Today... Patchy dense fog this morning. Partly sunny with a 50% chance of thunderstorms. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Tonight... Cloudy. Thunderstorms likely in the evening. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 60%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. East winds 15 to 20 mph.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. East winds 15 to 20 mph. Chance of rain 50%.
Friday... Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70%.
Friday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 50%.
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Saturday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20%.
Sunday... Partly sunny. Highs in the mid 70s.
Sunday Night... Mostly clear. A slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20%.
Monday... Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Monday Night... Mostly clear with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
POP = Probability of Precipitation
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