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.

Overcast

32°F

0°C

Humidity 88%
Wind Speed Calm
Barometer 30.13 in (1022.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 2 Feb 1:56 am CST
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of drizzle or freezing rain after 5pm. Mostly cloudy, with a high near 37. Light east wind increasing to 5 to 10 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle/Freezing
    Rain

  • Monday Night

    Monday Night: A slight chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 20. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: A chance of flurries before 7am. Mostly cloudy, with a high near 31. Northeast wind around 5 mph becoming calm in the morning.

    High: 31 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind becoming northwest around 5 mph after midnight.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. Calm wind.
Monday
A slight chance of drizzle or freezing rain after 5pm. Mostly cloudy, with a high near 37. Light east wind increasing to 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 20. East wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A chance of flurries before 7am. Mostly cloudy, with a high near 31. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 36. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
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:
1:48 am CST Feb 2, 2026
Forecast Valid:
2am CST Feb 2, 2026-6pm CST Feb 8, 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