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Big Lake, SD Weather Forecast
Big Lake, SD Weather Forecast Date: 1017 AM CDT Thu Oct 08 2026
The area/counties/county of: Campbell, including the city of Herreid.or toggle through each period.
Rest of Today... Mostly sunny. Highs around 70. Southeast winds 5 to 10 mph.
Tonight... Partly cloudy. Lows in the lower 40s. Southeast winds 5 to 10 mph.
Friday... Partly sunny. Highs in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows around 60. South winds 15 to 20 mph with gusts up to 30 mph.
Saturday... Mostly sunny. Highs around 80. South winds 10 to 15 mph, becoming west in the afternoon.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Cooler with lows in the mid 40s.
Sunday... Mostly cloudy. A chance of showers, mainly in the morning. Much cooler with highs in the upper 50s. Chance of rain 40%.
Sunday Night... Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Cooler with lows in the mid 30s. Chance of rain 50%.
Columbus Day... Showers likely, mainly in the morning. Cooler with highs in the upper 40s. Chance of rain 70%.
Monday Night... Mostly cloudy. A slight chance of rain showers in the evening. Lows in the lower 30s. Chance of rain 20%.
Tuesday... Partly sunny. Highs in the mid 50s.
Tuesday Night... Partly cloudy with a 20% chance of showers. Lows in the mid 30s.
POP = Probability of Precipitation
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