10-Day Weather Forecast - Yankton, SD

Mostly sunny. Cooler with highs in the mid 40s. North winds around 5 mph becoming east in the afternoon.

Mostly cloudy. Lows in the lower 30s. Southeast winds around 10 mph.

Mostly cloudy in the morning then clearing. Highs in the lower 50s. South winds 5 to 10 mph.

Mostly cloudy. Lows in the upper 30s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 50s.

Partly cloudy in the evening then clearing. Cooler with lows in the upper 20s.

Mostly sunny. Cooler with highs in the mid 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy in the evening then becoming partly cloudy. Cooler with lows around 20.

Sunny cooler with highs in the mid 30s.

Mostly clear. Low temperature around 16F. Dew point will be around 5F with an average humidity of 53%. Winds will be 11 mph from the W.

Mostly sunny. High temperature around 42F. Dew point will be around 22F with an average humidity of 57%. Winds will be 5 mph from the SW.

Clear. Low temperature around 31F. Dew point will be around 25F with an average humidity of 75%. Winds will be 6 mph from the SW.

Mostly sunny. High temperature around 46F. Dew point will be around 29F with an average humidity of 62%. Winds will be 6 mph from the SW.

Mostly clear. Low temperature around 33F. Dew point will be around 29F with an average humidity of 76%. Winds will be 4 mph from the W.

Mostly sunny. High temperature around 44F. Dew point will be around 27F with an average humidity of 61%. Winds will be 4 mph from the W.

Partly cloudy. Low temperature around 29F. Dew point will be around 25F with an average humidity of 71%. Winds will be 3 mph from the W.