10-Day Weather Forecast - Marion, SD

Mostly cloudy with a chance of showers and thunderstorms in the morning then mostly sunny in the afternoon. Warmer with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Partly cloudy in the evening then clearing. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Heat index values up to 101 early in the evening.

Sunny breezy hot with highs in the upper 90s. South winds 20 to 25 mph with gusts up to 35 mph.

Mostly clear in the evening then becoming partly cloudy. A chance of showers. A chance of thunderstorms after midnight. Lows around 70. Chance of rain 40 percent.

Mostly sunny. Highs in the mid 90s.

Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.

Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 90s.

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 40 percent.

Mostly sunny. Highs in the mid 90s.

Mostly clear with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 50 percent.

Sunny hot with highs in the mid 90s.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 77F. Dew point will be around 68F with an average humidity of 63%. Winds will be 12 mph from the SE.

Sunny. High temperature around 98F. Dew point will be around 69F with an average humidity of 56%. Winds will be 14 mph from the S.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 67F with an average humidity of 61%. Winds will be 7 mph from the SE.

Mostly sunny. High temperature around 93F. Dew point will be around 66F with an average humidity of 57%. Winds will be 6 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 69F. Dew point will be around 64F with an average humidity of 61%. Winds will be 3 mph from the SE.

Sunny. High temperature around 90F. Dew point will be around 64F with an average humidity of 58%. Winds will be 3 mph from the SE.

Clear. Low temperature around 67F. Dew point will be around 62F with an average humidity of 63%. Winds will be 3 mph from the SE.