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

25°F

-4°C

Humidity 88%
Wind Speed E 5 mph
Barometer 29.88 in (1014.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 1 Jan 11:56 am CST
Extended Forecast for

Yankton SD

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 35. South southeast wind around 5 mph becoming north.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. North wind around 5 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of flurries before 11am, then a slight chance of sleet between 11am and 1pm, then a slight chance of snow after 1pm. Cloudy, with a high near 29. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow/Sleet

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 41. South southwest wind around 5 mph becoming north in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

New Year's Day
Partly sunny, with a high near 35. South southeast wind around 5 mph becoming north.
Tonight
Mostly cloudy, with a low around 19. North wind around 5 mph becoming calm in the evening.
Friday
A chance of flurries before 11am, then a slight chance of sleet between 11am and 1pm, then a slight chance of snow after 1pm. Cloudy, with a high near 29. East wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
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 41. South southwest wind around 5 mph becoming north in the afternoon.
Saturday Night
Partly cloudy, with a low around 23. North northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 49.
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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:
11:08 am CST Jan 1, 2026
Forecast Valid:
12pm CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation