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

15°F

-9°C

Humidity 56%
Wind Speed N 13 mph
Barometer 30.71 in (1044.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 22 Feb 6:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 2. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Breezy, with a west southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. North northwest wind 5 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 47. North wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight. Partly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 2. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 35. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 22. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 56. Breezy, with a west southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 22. North northwest wind 5 to 10 mph.
Wednesday
A slight chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 47. North wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before midnight. Partly cloudy, with a low around 20. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 65.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 36.
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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:
4:43 pm CST Feb 22, 2026
Forecast Valid:
7pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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