10-Day Weather Forecast - Spearfish, SD

Mostly cloudy. Rain likely with a chance of snow in the afternoon. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 30 mph becoming southeast 5 to 10 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 60 percent.

Mostly cloudy. Rain likely in the evening then a chance of rain after midnight. Lows in the upper 30s. Temperature rising into the upper 40s after midnight. West winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Mostly cloudy. A slight chance of rain in the morning then a chance of rain in the afternoon. Breezy with highs in the mid 50s. Temperature falling into the upper 40s in the afternoon. West winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.

Rain likely in the evening. Snow likely. Snow accumulation up to 1 inch possible. Lows around 20. Northwest winds 10 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent.

Snow. Light snow accumulation. Much cooler with highs in the mid 20s. Chance of snow 80 percent.

Cloudy. Snow likely in the evening then a chance of snow after midnight. Additional light snow accumulation possible. Lows 10 to 15. Chance of snow 60 percent.

Mostly cloudy. A chance of snow in the morning then a slight chance of snow in the afternoon. Highs in the lower 20s. Chance of snow 50 percent.

Becoming partly cloudy. Lows 10 to 15.

Partly cloudy. Not as cool with highs in the mid 40s.

Partly cloudy in the evening then becoming mostly clear. Not as cool with lows around 30.

Mostly sunny. Highs around 50.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 30s.

Partly cloudy. Highs in the mid 50s.

Mostly clear. Low temperature around 37F. Dew point will be around 26F with an average humidity of 57%. Winds will be 7 mph from the W.

Partly cloudy. High temperature around 42F. Dew point will be around 24F with an average humidity of 53%. Winds will be 7 mph from the W.

Cloudy. Low temperature around 35F. Dew point will be around 21F with an average humidity of 54%. Winds will be 9 mph from the W.

Partly cloudy. High temperature around 40F. Dew point will be around 21F with an average humidity of 50%. Winds will be 8 mph from the W.

Mostly cloudy. Low temperature around 36F. Dew point will be around 22F with an average humidity of 53%. Winds will be 6 mph from the SW.