10-Day Weather Forecast - Spearfish, SD

Partly cloudy. Highs in the mid 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.

Becoming partly cloudy. Lows in the lower 40s. South winds 5 to 10 mph with gusts up to 25 mph.

Mostly sunny. Highs around 60. West winds 5 to 10 mph with gusts up to 20 mph becoming south in the afternoon.

Partly cloudy and breezy. Lows in the lower 40s. South winds 10 to 15 mph with gusts up to 30 mph increasing to 15 to 25 mph with gusts up to 40 mph after midnight.

Partly cloudy and breezy. Highs in the upper 60s.

Mostly clear. Lows in the upper 30s.

Mostly sunny. Highs in the upper 50s.

Partly cloudy. A slight chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 20 percent.

A chance of rain in the morning. Partly cloudy with a chance of snow. Breezy cooler with highs in the upper 30s. Temperature falling into the upper 20s in the afternoon. Chance of precipitation 30 percent.

Mostly clear. A slight chance of snow in the evening. Lows around 15. Chance of snow 20 percent.

Mostly sunny. Highs in the mid 30s.

Partly cloudy. Lows in the lower 20s.

Mostly sunny. Highs in the mid 40s.

Mostly clear. Low temperature around 36F. Dew point will be around 16F with an average humidity of 40%. Winds will be 6 mph from the SW.

Mostly sunny. High temperature around 49F. Dew point will be around 21F with an average humidity of 38%. Winds will be 4 mph from the W.

Clear. Low temperature around 34F. Dew point will be around 18F with an average humidity of 49%. Winds will be 4 mph from the W.

Mostly sunny. High temperature around 45F. Dew point will be around 22F with an average humidity of 46%. Winds will be 4 mph from the W.

Partly cloudy. Low temperature around 28F. Dew point will be around 20F with an average humidity of 62%. Winds will be 4 mph from the NW.