10-Day Weather Forecast - Harrison, SD

Mostly sunny. Highs in the lower 50s. Northwest winds 5 to 10 mph becoming southeast in the afternoon.

Mostly cloudy. Lows in the upper 30s. South winds around 10 mph.

Mostly sunny. Highs in the mid 50s. Southwest winds around 10 mph becoming northwest in the afternoon.

Mostly cloudy. A slight chance of snow after midnight. Breezy and much cooler with lows 15 to 20. Chance of snow 20 percent.

Patchy blowing snow in the morning. Mostly cloudy with a slight chance of snow in the morning then mostly sunny in the afternoon. Windy and much cooler. Near steady temperature around 20. Chance of snow 20 percent.

Mostly clear and breezy colder with lows 5 to 10 above. Wind chill values as low as 10 below.

Sunny. Highs in the lower 20s. Wind chill values as low as 10 below in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Cold with lows around 10 above. Temperature rising to around 20 after midnight.

Mostly sunny. Not as cool with highs in the lower 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

Partly sunny. Highs in the mid 30s.

Partly cloudy. Low temperature around 19F. Dew point will be around 14F with an average humidity of 71%. Winds will be 4 mph from the N.

Mostly sunny. High temperature around 33F. Dew point will be around 19F with an average humidity of 72%. Winds will be 2 mph from the E.

Partly cloudy. Low temperature around 24F. Dew point will be around 21F with an average humidity of 82%. Winds will be 5 mph from the SE.

Cloudy. High temperature around 31F. Dew point will be around 23F with an average humidity of 78%. Winds will be 2 mph from the SE.

Partly cloudy. Low temperature around 23F. Dew point will be around 22F with an average humidity of 85%. Winds will be 4 mph from the NW.

Mostly cloudy. High temperature around 28F. Dew point will be around 19F with an average humidity of 75%. Winds will be 7 mph from the NW.

Clear. Low temperature around 20F. Dew point will be around 17F with an average humidity of 82%. Winds will be 3 mph from the N.