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Town of Keystone, SDKeystone, SD 7-Day Night Weather Forecast
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Keystone, SD Weather Forecast
Keystone, SD Weather Forecast Date: 457 PM MST Thu Nov 05 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.
Late This Afternoon... Mostly sunny. Highs in the mid 50s. South winds around 5 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Friday... Becoming partly cloudy. Highs in the mid 50s. Northwest winds around 5 mph, becoming southeast in the afternoon.
Friday Night... Clear. Lows in the mid 30s. West winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Saturday... Mostly sunny. Highs around 60. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday Night... Mostly clear. Lows in the upper 30s. West winds 5 to 10 mph.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Mostly clear. Lows around 40.
Monday... Mostly sunny. Highs in the mid 50s.
Monday Night... Mostly clear. Lows in the mid 30s.
Tuesday... Partly cloudy. Highs in the upper 50s.
Tuesday Night... Mostly clear. Lows in the upper 30s.
Veterans Day... Mostly sunny. Highs in the upper 50s.
Wednesday Night... Mostly clear. Lows around 40.
POP = Probability of Precipitation
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