10-Day Weather Forecast - Harrison, SD

Mostly sunny. Much cooler with highs in the upper 30s. East winds around 15 mph becoming northeast in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Cold with lows around 13. Northeast winds 10 to 15 mph.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. Lows around 20. Southeast winds 10 to 15 mph.

Mostly cloudy. A slight chance of rain in the afternoon. Not as cool with highs in the mid 40s. Chance of rain 20 percent.

Mostly cloudy. A chance of rain mainly in the evening. Lows in the upper 20s. Chance of rain 30 percent.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 50s.

Partly cloudy in the evening then clearing. Lows in the upper 20s.

Mostly sunny. A slight chance of rain in the afternoon. Highs in the mid 50s. Chance of rain 20 percent.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs around 60.

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

Mostly cloudy with a 20 percent chance of rain. Cooler with highs in the upper 40s.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 26F with an average humidity of 71%. Winds will be 4 mph from the SW.

Sunny. High temperature around 52F. Dew point will be around 26F with an average humidity of 52%. Winds will be 6 mph from the SW.

Partly cloudy. Low temperature around 35F. Dew point will be around 26F with an average humidity of 55%. Winds will be 9 mph from the S.

Partly cloudy. High temperature around 54F. Dew point will be around 29F with an average humidity of 49%. Winds will be 6 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 34F. Dew point will be around 26F with an average humidity of 57%. Winds will be 2 mph from the S.