10-Day Weather Forecast - Yankton, SD

Mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph becoming southeast with gusts up to 20 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 60. Southeast winds 10 to 15 mph.

Partly sunny with a slight chance of showers in the morning then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph becoming east after midnight. Chance of rain 50 percent.

Mostly cloudy in the morning then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

Mostly cloudy. Lows in the mid 60s.

Partly sunny. Highs in the lower 80s.

A chance of showers in the evening. Mostly cloudy. Lows in the upper 60s. Chance of rain 30 percent.

Partly sunny. Highs around 90. Heat index values in the upper 90s in the afternoon.

Partly cloudy. Lows in the upper 60s. Heat index values in the upper 90s early in the evening.

Sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 70. Heat index values up to 105 early in the evening.

Sunny. Highs in the lower 90s. Heat index values in the upper 90s in the afternoon.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 73F. Dew point will be around 72F with an average humidity of 81%. Winds will be 4 mph from the SE.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 89F. Dew point will be around 72F with an average humidity of 70%. Winds will be 4 mph from the SE.

Clear with a 25% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 72F with an average humidity of 80%. Winds will be 6 mph from the SE.

Mostly sunny. High temperature around 90F. Dew point will be around 72F with an average humidity of 69%. Winds will be 4 mph from the SE.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 72F. Dew point will be around 72F with an average humidity of 79%. Winds will be 5 mph from the SE.