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

39°F

4°C

Humidity 60%
Wind Speed NW 10 mph
Barometer 29.94 in (1016.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Feb 7:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming west southwest after midnight.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 66. West southwest wind around 5 mph becoming east northeast in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

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

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. East southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 67. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 36. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 66. West southwest wind around 5 mph becoming east northeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 70. East southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 54. Breezy.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 24.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 36.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
6:28 pm CST Feb 14, 2026
Forecast Valid:
8pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation