10-Day Weather Forecast - Long Valley, SD

Mostly sunny. Highs in the upper 40s. West winds 10 to 20 mph with gusts up to 30 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy and very windy. Not as cool with highs in the upper 60s. Southwest winds 20 to 30 mph with gusts up to 45 mph increasing to west 30 to 45 mph with gusts up to 55 mph in the afternoon.

Mostly cloudy. A slight chance of rain and snow in the evening then a chance of snow after midnight. Windy with lows in the upper 20s. Northwest winds 25 to 40 mph with gusts up to 55 mph diminishing to 15 to 25 mph after midnight. Chance of precipitation 40 percent.

Mostly cloudy with a chance of snow. A chance of rain in the afternoon. Little or no snow accumulation. Cooler with highs in the upper 40s. Northeast winds 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Chance of precipitation 40 percent.

A chance of rain in the evening. Mostly cloudy with a chance of snow. Lows in the mid 20s. Chance of precipitation 50 percent.

A chance of snow in the morning. Mostly cloudy with a chance of rain. Highs in the upper 40s. Chance of precipitation 50 percent.

Rain and snow in the evening then snow likely after midnight. Light snow accumulation. Breezy with lows 15 to 20. Chance of precipitation 90 percent.

Becoming partly cloudy. A 50 percent chance of snow. Windy cooler with highs around 30.

Partly cloudy. Lows 10 to 15.

Mostly cloudy with a 20 percent chance of snow. Highs in the upper 30s.

Mostly cloudy. A slight chance of snow in the evening. Lows in the mid 20s. Chance of snow 20 percent.

A slight chance of snow in the morning. Mostly cloudy with a slight chance of rain. Not as cool with highs in the lower 60s. Chance of precipitation 20 percent.

Mostly cloudy. Low temperature around 38F. Dew point will be around 35F with an average humidity of 80%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 62F. Dew point will be around 39F with an average humidity of 61%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 46F. Dew point will be around 38F with an average humidity of 61%. Winds will be 6 mph from the SW.

Partly cloudy. High temperature around 68F. Dew point will be around 39F with an average humidity of 46%. Winds will be 10 mph from the NW.

Partly cloudy. Low temperature around 45F. Dew point will be around 36F with an average humidity of 52%. Winds will be 4 mph from the N.