10-Day Weather Forecast - Castlewood, SD

Mostly cloudy. A chance of thunderstorms in the morning. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Mostly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.

Partly sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.

Mostly clear. Highs in the upper 80s. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s. Lows in the mid 60s.

Clear. Lows in the upper 60s.

Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.

Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.

Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.

Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.

Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.

Clear. Low temperature around 70F. Dew point will be around 63F with an average humidity of 62%. Winds will be 5 mph from the SE.

Sunny. High temperature around 87F. Dew point will be around 64F with an average humidity of 58%. Winds will be 4 mph from the SE.

Clear. Low temperature around 68F. Dew point will be around 61F with an average humidity of 60%. Winds will be 5 mph from the SE.

Sunny. High temperature around 87F. Dew point will be around 63F with an average humidity of 59%. Winds will be 3 mph from the SE.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 60F with an average humidity of 59%. Winds will be 4 mph from the S.