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About Custer State ParkCuster State Park, SD 7-Day Night Weather Forecast
13329 US Highway 16A, Custer, SD 57730 (605) 255-4515Quick Weather Clicks
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Custer State Park, SD Weather Forecast
Custer State Park, SD Weather Forecast Date: 113 PM MDT Wed Aug 12 2026
The area/counties/county of: Central Black Hills, including the cities of: Hill City, Mt Rushmore, Johnson Siding, Keystone, Rockerville, Hisega, Pactola Reservoir, Custer, Jewel Cave, and Custer State Park.or toggle through each period.
This Afternoon... Showers and thunderstorms likely. Some thunderstorms May be severe with damaging winds and large hail. Near steady temperature in the lower 70s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Tonight... Mostly cloudy. Showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms May produce damaging winds and large hail in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90%.
Thursday... Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. East winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 60%.
Thursday Night... Showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90%.
Friday... Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Friday Night... Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 60%.
Saturday... Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs around 70. Chance of rain 90%.
Saturday Night... Partly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 80%.
Sunday... Partly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 70%.
Sunday Night... Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 50%.
Monday... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50%.
Monday Night... Partly cloudy with a chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30%.
POP = Probability of Precipitation
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