10-Day Weather Forecast - Longlake, SD

Mostly cloudy this morning then becoming partly sunny. Patchy blowing snow. Windy with highs in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 50 mph.

Mostly clear. Colder with lows around 7 above. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to 5 to 10 mph after midnight.

Partly sunny in the morning then becoming mostly cloudy. A 50 percent chance of snow. Snow accumulation around an inch possible. Colder with highs in the mid 20s. Southeast winds 10 to 15 mph.

Partly cloudy and not as cold. Near steady temperature around 20. South winds around 10 mph becoming west after midnight.

Mostly sunny and breezy. Not as cold with highs in the mid 40s. West winds 15 to 25 mph.

Partly cloudy and breezy. Lows in the lower 30s. Highs in the mid 40s.

Partly cloudy and breezy. Lows in the lower 30s. Highs in the mid 40s.

Mostly cloudy with a 40 percent chance of snow. Brisk. Lows around 10 above. Highs around 20.

Mostly cloudy with a 40 percent chance of snow. Brisk. Lows around 10 above. Highs around 20.

Mostly cloudy in the evening then becoming partly cloudy. Cold with lows around zero.

Partly sunny. A chance of snow mainly in the morning. Highs in the lower 20s. Chance of snow 30 percent.

Partly cloudy. Lows around 10 above. Highs in the upper 30s.

Partly cloudy. Lows around 10 above. Highs in the upper 30s.

Mostly clear. Low temperature around 20F. Dew point will be around 18F with an average humidity of 74%. Winds will be 2 mph from the NW.

Sunny. High temperature around 30F. Dew point will be around 18F with an average humidity of 69%. Winds will be 6 mph from the NW.

Clear. Low temperature around 16F. Dew point will be around 11F with an average humidity of 67%. Winds will be 1 mph from the NW.

Sunny. High temperature around 32F. Dew point will be around 15F with an average humidity of 62%. Winds will be 2 mph from the S.

Mostly clear. Low temperature around 22F. Dew point will be around 16F with an average humidity of 65%. Winds will be 3 mph from the S.