10-Day Weather Forecast - Gann Valley, SD

Mostly sunny. Much colder with highs in the lower 30s. Northeast winds around 15 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows around 10 above. 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 19. Southeast winds 10 to 15 mph.

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s. Lows in the mid 20s.

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s. Lows in the mid 20s.

Partly sunny. Highs in the upper 40s.

Mostly clear. Lows in the upper 20s.

Partly sunny. Highs in the mid 50s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 50s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 50s.

Mostly cloudy with a 20 percent chance of rain. Lows in the mid 20s.

Mostly cloudy with a slight chance of rain and snow. Colder with highs in the mid 40s. Chance of precipitation 20 percent.

Mostly clear with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 25F with an average humidity of 71%. Winds will be 3 mph from the NW.

Mostly sunny. High temperature around 49F. Dew point will be around 25F with an average humidity of 54%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 35F. Dew point will be around 25F with an average humidity of 55%. Winds will be 8 mph from the S.

Partly cloudy. High temperature around 51F. Dew point will be around 27F with an average humidity of 51%. Winds will be 4 mph from the SW.

Partly cloudy. Low temperature around 32F. Dew point will be around 25F with an average humidity of 56%. Winds will be 1 mph from the NW.