10-Day Weather Forecast - Yankton, SD

Sunny. Not as warm with highs in the mid 80s. North winds 15 to 20 mph with gusts up to 30 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph becoming northeast around 5 mph after midnight.

Mostly cloudy. A slight chance of showers in the morning. Highs around 80. North winds around 5 mph becoming southwest around 5 mph in the afternoon. Chance of rain 20 percent.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. South winds around 5 mph.

Mostly cloudy. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. A chance of showers in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent.

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the mid 60s.

Sunny warmer with highs in the upper 90s.

Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening.

Mostly sunny. Hot with highs around 100.

Partly cloudy in the evening then becoming mostly clear. Lows in the lower 70s. Heat index values in the upper 90s early in the evening.

Mostly sunny. Hot with highs in the upper 90s.

Clear. Low temperature around 69F. Dew point will be around 68F with an average humidity of 70%. Winds will be 2 mph from the N.

Sunny. High temperature around 96F. Dew point will be around 68F with an average humidity of 55%. Winds will be 4 mph from the SE.

Clear. Low temperature around 69F. Dew point will be around 69F with an average humidity of 72%. Winds will be 4 mph from the S.

Mostly sunny. High temperature around 95F. Dew point will be around 70F with an average humidity of 61%. Winds will be 6 mph from the S.

Clear. Low temperature around 69F. Dew point will be around 71F with an average humidity of 76%. Winds will be 6 mph from the S.