10-Day Weather Forecast - Long Valley, SD

Partly cloudy in the morning then becoming mostly sunny. Cooler with highs in the lower 40s. West winds 10 to 20 mph with gusts up to 30 mph.

Mostly clear. Lows in the lower 20s. Southwest winds 10 to 15 mph.

Partly cloudy. Highs in the upper 40s. South winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. Lows in the mid 30s.

Partly cloudy and breezy. Highs in the lower 60s.

Partly cloudy. Lows in the lower 30s.

Partly cloudy. Highs in the mid 50s.

Partly cloudy. Lows around 40.

Partly cloudy. Highs in the mid 60s.

Partly cloudy. Lows in the upper 30s.

Partly cloudy. Highs in the mid 50s.

Mostly clear. Low temperature around 38F. Dew point will be around 30F with an average humidity of 67%. Winds will be 11 mph from the SW.

Mostly sunny. High temperature around 54F. Dew point will be around 30F with an average humidity of 53%. Winds will be 12 mph from the W.

Clear. Low temperature around 31F. Dew point will be around 27F with an average humidity of 72%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 42F. Dew point will be around 26F with an average humidity of 61%. Winds will be 5 mph from the W.

Clear. Low temperature around 26F. Dew point will be around 23F with an average humidity of 75%. Winds will be 4 mph from the W.

Sunny. High temperature around 39F. Dew point will be around 22F with an average humidity of 59%. Winds will be 6 mph from the W.

Clear. Low temperature around 30F. Dew point will be around 22F with an average humidity of 66%. Winds will be 10 mph from the SW.