10-Day Weather Forecast - Spearfish, SD

Partly cloudy in the morning then mostly cloudy with a chance of sprinkles in the afternoon. Highs around 50. Southeast winds 5 to 10 mph.

Partly cloudy and breezy. Not as cool with lows in the lower 40s. Southwest winds 10 to 15 mph increasing to 15 to 25 mph after midnight. Gusts up to 35 mph.

Partly cloudy and breezy. Highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. West winds 15 to 25 mph with gusts up to 35 mph.

Partly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Mostly cloudy. Highs in the mid 50s.

Mostly cloudy. Lows in the lower 40s.

Partly cloudy in the morning then clearing. Highs around 60.

Partly cloudy and breezy. Lows in the mid 40s.

Partly cloudy and breezy. Highs in the mid 50s. Temperature falling into the upper 40s in the afternoon.

Mostly cloudy with a slight chance of rain in the evening then partly cloudy after midnight. Lows in the mid 30s. Chance of rain 20 percent.

Partly cloudy. Highs in the lower 50s.

A slight chance of rain in the evening. Partly cloudy with a slight chance of snow. Lows in the upper 20s. Chance of precipitation 20 percent.

Mostly sunny. Highs in the lower 40s.

Clear. Low temperature around 29F. Dew point will be around 20F with an average humidity of 66%. Winds will be 2 mph from the N.

Sunny. High temperature around 39F. Dew point will be around 20F with an average humidity of 51%. Winds will be 2 mph from the N.

Clear. Low temperature around 31F. Dew point will be around 19F with an average humidity of 59%. Winds will be 2 mph from the SW.

Sunny. High temperature around 44F. Dew point will be around 19F with an average humidity of 42%. Winds will be 2 mph from the S.

Clear. Low temperature around 35F. Dew point will be around 19F with an average humidity of 50%. Winds will be 3 mph from the S.