Yankton, SD Weather

Current Conditions

Clear

Temp:
69°F

Wind: From the SSW at 3 mph

Humidity: 88%
Pressure: 29.90 in

Visibility: 10 miles

Observed at: 1:56 am CDT

Overnight

Mostly cloudy

Overnight low:
68°F

Mostly cloudy, with a low around 68. Calm wind.

Tuesday

Mostly sunny

High:
99°F

Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Tuesday Night

Chance of thunderstorms

Overnight low:
73°F

A 50 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 73. Breezy, with a south southeast wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.