10-Day Weather Forecast - Custer, SD

Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 25 mph.

Mostly clear. Lows in the mid 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 60s. Chance of rain 50 percent.

Becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

Partly cloudy in the evening, then clearing. Lows in the mid 50s.

Sunny. Highs in the upper 70s.

Mostly clear. Lows in the mid 50s.

Partly cloudy in the morning, then clearing. Highs in the upper 70s.

Mostly clear. Low temperature around 53F. Dew point will be around 51F with an average humidity of 70%. Winds will be 3 mph from the NE.

Partly cloudy with widely scattered thunderstorms. Chance of storms 30%. High temperature around 75F. Dew point will be around 46F with an average humidity of 46%. Winds will be 4 mph from the S.

Partly cloudy with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 55F. Dew point will be around 46F with an average humidity of 58%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 74F. Dew point will be around 44F with an average humidity of 42%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 52F. Dew point will be around 42F with an average humidity of 55%. Winds will be 3 mph from the NW.

Mostly sunny. High temperature around 72F. Dew point will be around 40F with an average humidity of 39%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 50F. Dew point will be around 40F with an average humidity of 56%. Winds will be 2 mph from the NW.