10-Day Weather Forecast - Spearfish, SD

Mostly cloudy with a slight chance of rain and snow. Highs in the lower 40s. Northwest winds 10 to 20 mph with gusts up to 35 mph. Chance of precipitation 20 percent.

Mostly cloudy. A slight chance of rain and snow after midnight. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 25 mph becoming south around 5 mph after midnight. Chance of precipitation 20 percent.

Snow in the morning. Rain. Little or no snow accumulation. Breezy with highs in the upper 40s. West winds 10 to 15 mph with gusts up to 30 mph increasing to 15 to 25 mph with gusts up to 40 mph in the afternoon. Chance of precipitation 90 percent.

Clear. Lows in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph.

Sunny breezy with highs in the mid 50s.

Clear. Lows in the mid 30s.

Mostly sunny in the morning then becoming partly cloudy. Breezy with highs in the mid 50s.

Partly cloudy in the evening then becoming mostly cloudy. A 50 percent chance of snow. Lows around 20.

Mostly cloudy. Snow likely in the morning then a chance of snow in the afternoon. Little or no snow accumulation. Cooler with highs in the lower 30s. Chance of snow 60 percent.

Partly cloudy in the evening then becoming mostly cloudy. A 40 percent chance of snow. Lows 15 to 20.

Partly cloudy with a 30 percent chance of snow. Highs in the lower 40s.

Partly cloudy with a 20 percent chance of snow. Lows in the mid 20s.

Partly cloudy. Highs in the lower 50s.

Clear. Low temperature around 27F. Dew point will be around 18F with an average humidity of 58%. Winds will be 4 mph from the W.

Sunny. High temperature around 43F. Dew point will be around 19F with an average humidity of 43%. Winds will be 3 mph from the NW.

Clear. Low temperature around 28F. Dew point will be around 17F with an average humidity of 54%. Winds will be 3 mph from the SW.

Sunny. High temperature around 50F. Dew point will be around 20F with an average humidity of 38%. Winds will be 2 mph from the SW.

Clear. Low temperature around 34F. Dew point will be around 19F with an average humidity of 47%. Winds will be 3 mph from the SW.