10-Day Weather Forecast - Long Valley, SD

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

Mostly cloudy. Lows in the mid 20s. Northwest winds 10 to 15 mph becoming south 5 to 10 mph after midnight.

Becoming mostly cloudy. A chance of snow in the morning. A chance of rain. Highs in the lower 50s. South winds 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 50 percent.

Mostly clear. Lows around 30. West winds 10 to 20 mph with gusts up to 30 mph.

Sunny breezy with highs in the upper 50s.

Clear. Lows in the mid 30s.

Mostly sunny. Highs in the lower 60s.

Partly cloudy. A slight chance of snow after midnight. Lows 15 to 20. Chance of snow 20 percent.

Mostly cloudy with a chance of snow in the morning then partly cloudy with a slight chance of snow in the afternoon. Much cooler with highs in the mid 30s. Chance of snow 40 percent.

Partly cloudy with a slight chance of snow in the evening then mostly cloudy with a chance of snow after midnight. Lows around 15. Chance of snow 30 percent.

Becoming partly cloudy. A 20 percent chance of snow. Highs in the mid 40s.

Partly cloudy. A slight chance of snow in the evening. Lows in the lower 20s. Chance of snow 20 percent.

Partly cloudy. Highs in the mid 50s.

Partly cloudy. Low temperature around 27F. Dew point will be around 22F with an average humidity of 67%. Winds will be 4 mph from the W.

Sunny. High temperature around 44F. Dew point will be around 21F with an average humidity of 49%. Winds will be 5 mph from the NW.

Clear. Low temperature around 26F. Dew point will be around 18F with an average humidity of 61%. Winds will be 4 mph from the S.

Sunny. High temperature around 49F. Dew point will be around 23F with an average humidity of 46%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 32F. Dew point will be around 24F with an average humidity of 59%. Winds will be 7 mph from the S.