10-Day Weather Forecast - Spearfish, SD

Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph becoming north with gusts up to 20 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. South winds 10 to 15 mph.

Mostly cloudy in the morning then partly cloudy with a slight chance of showers in the afternoon. Highs in the mid 80s. Southwest winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Partly cloudy with a 50 percent chance of showers. Lows in the lower 40s. West winds 15 to 20 mph with gusts up to 30 mph.

Rain showers. Very windy and much cooler with highs in the lower 50s. Chance of rain 90 percent.

A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Windy with lows around 30. Chance of precipitation 50 percent.

Becoming partly cloudy. A 50 percent chance of snow showers. Windy with highs in the lower 40s.

Partly cloudy. A slight chance of snow showers in the evening then a chance of snow showers after midnight. Breezy with lows in the mid 20s. Chance of snow 30 percent.

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

Partly cloudy. A slight chance of snow showers in the evening then a chance of snow showers after midnight. Lows in the mid 20s. Chance of snow 30 percent.

Partly cloudy with a chance of snow showers. A chance of rain showers in the afternoon. Highs in the upper 40s. Chance of precipitation 40 percent.

Partly cloudy. A chance of snow showers with a slight chance of rain showers in the evening then a slight chance of snow showers after midnight. Lows around 30. Chance of precipitation 30 percent.

Partly cloudy. A slight chance of snow showers in the morning then a chance of rain showers in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent.

Mostly clear. Low temperature around 35F. Dew point will be around 29F with an average humidity of 69%. Winds will be 3 mph from the S.

Mostly sunny. High temperature around 55F. Dew point will be around 34F with an average humidity of 58%. Winds will be 4 mph from the NE.

Partly cloudy. Low temperature around 38F. Dew point will be around 35F with an average humidity of 70%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 55F. Dew point will be around 37F with an average humidity of 62%. Winds will be 6 mph from the NE.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 38F. Dew point will be around 36F with an average humidity of 75%. Winds will be 3 mph from the NE.