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

21°F

-6°C

Humidity 92%
Wind Speed N 6 mph
Barometer 29.94 in (1017.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Jan 11:56 pm CST
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of flurries before noon, then a chance of snow and sleet between noon and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 29. East wind 5 to 10 mph. Chance of precipitation is 40%. New snow and sleet accumulation of less than a half inch possible.

    High: 29 °F

    Cloudy then
    Chance
    Snow/Sleet

  • Friday Night

    Friday Night: A 30 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. South southwest wind around 5 mph becoming north in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 23. North wind 5 to 10 mph becoming southeast after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Calm wind.
Friday
A chance of flurries before noon, then a chance of snow and sleet between noon and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 29. East wind 5 to 10 mph. Chance of precipitation is 40%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 40. South southwest wind around 5 mph becoming north in the afternoon.
Saturday Night
Increasing clouds, with a low around 23. North wind 5 to 10 mph becoming southeast after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain. Partly 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:
10:58 pm CST Jan 1, 2026
Forecast Valid:
12am CST Jan 2, 2026-6pm CST Jan 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