10-Day Weather Forecast - Longlake, SD

Mostly sunny. Highs in the mid 70s. East winds 10 to 15 mph becoming southeast 15 to 20 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. Southeast winds 15 to 20 mph.

Partly sunny and windy warmer with highs in the upper 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph becoming south 20 to 30 mph with gusts up to 40 mph in the afternoon.

Showers likely with a chance of thunderstorms. Windy with lows in the mid 50s. Chance of rain 70 percent.

Partly sunny with a 50 percent chance of showers. Very windy and not as warm with highs in the mid 60s. Temperature falling into the lower 60s in the afternoon.

Mostly cloudy. A chance of rain showers in the evening then a slight chance of rain and snow showers after midnight. Very windy and much cooler with lows in the lower 30s. Chance of precipitation 50 percent.

Partly sunny. A slight chance of snow showers in the morning. Very windy and much cooler with highs in the upper 40s. Chance of snow 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Windy with lows in the upper 20s.

Partly sunny. A slight chance of snow showers in the morning. Breezy with highs in the upper 40s. Chance of snow 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s.

Partly sunny with a slight chance of snow showers. A slight chance of rain showers in the afternoon. Highs in the lower 50s. Chance of precipitation 20 percent.

Partly cloudy. Low temperature around 30F. Dew point will be around 24F with an average humidity of 61%. Winds will be 8 mph from the NW.

Partly cloudy. High temperature around 49F. Dew point will be around 25F with an average humidity of 54%. Winds will be 6 mph from the W.

Partly cloudy. Low temperature around 30F. Dew point will be around 25F with an average humidity of 61%. Winds will be 5 mph from the NW.

Mostly sunny. High temperature around 52F. Dew point will be around 26F with an average humidity of 55%. Winds will be 4 mph from the W.

Partly cloudy. Low temperature around 32F. Dew point will be around 27F with an average humidity of 60%. Winds will be 4 mph from the NW.

Mostly cloudy. High temperature around 53F. Dew point will be around 29F with an average humidity of 57%. Winds will be 2 mph from the E.

Cloudy. Low temperature around 35F. Dew point will be around 30F with an average humidity of 64%. Winds will be 4 mph from the E.