Yankton, SD Weather

Current Conditions

Clear

Temp:
77°F

Wind: Calm

Humidity: 89%
Pressure: 29.88 in

Visibility: 10 miles

Observed at: 8:56 am CDT

Today

Fog in some areas

High:
96°F

Areas of fog before 10am. Otherwise, sunny and hot, with a high near 96. Heat index values as high as 104. Light and variable wind becoming east 5 to 10 mph in the afternoon.

Tonight

Mostly clear

Overnight low:
73°F

Mostly clear, with a low around 73. East wind 5 to 10 mph.