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

42°F

6°C

Humidity 79%
Wind Speed E 8 mph
Barometer 29.77 in (1010.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Feb 10:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East wind 5 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of sprinkles before noon, then a chance of rain after 4pm. Partly sunny, with a high near 71. Breezy, with an east wind 10 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 71 °F

    Breezy then
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 38 °F

    Breezy.
    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Snow likely, mainly after noon. Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around 2 inches.

    High: 36 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East wind 5 to 10 mph.
Tuesday
A chance of sprinkles before noon, then a chance of rain after 4pm. Partly sunny, with a high near 71. Breezy, with an east wind 10 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday
Sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Snow likely, mainly after noon. Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around 2 inches.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 14.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 41.
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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:
9:43 pm CST Feb 16, 2026
Forecast Valid:
11pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation