National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

49°F

9°C

Humidity 69%
Wind Speed E 6 mph
Barometer 29.79 in (1011.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 16 Feb 7:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered sprinkles before noon, then a slight chance of rain after 5pm. Partly sunny, with a high near 72. Breezy, with an east wind 10 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 72 °F

    Breezy then
    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Breezy.
    Chance Rain
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Snow likely, mainly after noon. Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around 2 inches.

    High: 36 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. East wind 5 to 10 mph.
Tuesday
Scattered sprinkles before noon, then a slight chance of rain after 5pm. Partly sunny, with a high near 72. Breezy, with an east wind 10 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 56. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Snow likely, mainly after noon. Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around 2 inches.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 14.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
6:43 pm CST Feb 16, 2026
Forecast Valid:
8pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation