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

40°F

4°C

Humidity 68%
Wind Speed SE 6 mph
Barometer 29.91 in (1015.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Feb 7:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South southeast wind 5 to 10 mph becoming west northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Northwest wind around 5 mph becoming south in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. South wind 5 to 10 mph becoming northwest in the afternoon.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. North northwest wind around 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. North northwest wind 5 to 10 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. South southeast wind 5 to 10 mph becoming west northwest after midnight.
Sunday
Mostly sunny, with a high near 54. Northwest wind around 5 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. South wind around 5 mph.
Monday
Partly sunny, with a high near 66. South wind 5 to 10 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 32. North northwest wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 47. North northwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 40%.
Thursday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 48.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 27.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 47.
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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:
6:23 pm CST Feb 7, 2026
Forecast Valid:
8pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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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