10-Day Weather Forecast - Porcupine, SD

Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 60 percent.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy with a slight chance of showers after midnight. Lows around 60. South winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Mostly sunny. Highs around 90. South winds 10 to 15 mph.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 60s.

Sunny. Highs in the mid 90s.

Clear. Lows in the upper 60s.

Mostly sunny. Hot with highs around 100.

Clear breezy with lows in the lower 70s.

Mostly sunny and breezy hot with highs around 101.

Clear breezy with lows in the lower 70s.

Partly cloudy in the morning then clearing. Hot with highs around 100.

Partly cloudy with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 70F. Dew point will be around 56F with an average humidity of 48%. Winds will be 13 mph from the S.

Sunny. High temperature around 96F. Dew point will be around 58F with an average humidity of 40%. Winds will be 11 mph from the S.

Clear. Low temperature around 69F. Dew point will be around 59F with an average humidity of 51%. Winds will be 12 mph from the SE.

Sunny. High temperature around 91F. Dew point will be around 59F with an average humidity of 44%. Winds will be 8 mph from the SE.

Clear. Low temperature around 67F. Dew point will be around 59F with an average humidity of 56%. Winds will be 11 mph from the SE.

Sunny. High temperature around 92F. Dew point will be around 59F with an average humidity of 46%. Winds will be 9 mph from the S.

Clear. Low temperature around 68F. Dew point will be around 58F with an average humidity of 52%. Winds will be 9 mph from the S.