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Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Overcast

57°F

14°C

Humidity 74%
Wind Speed NW 18 mph
Barometer 29.83 in (1011.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 12 Oct 5:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Cloudy during the early evening, then becoming partly cloudy, with a low around 45. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 64. North wind 5 to 10 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. North wind 5 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. North northeast wind 5 to 10 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely after 1am. Mostly cloudy, with a low around 48. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 61. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy during the early evening, then becoming partly cloudy, with a low around 45. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 64. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 44. North wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 65. North northeast wind 5 to 10 mph.
Wednesday Night
Showers likely after 1am. Mostly cloudy, with a low around 48. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 61. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 42. Breezy.
Friday
Sunny, with a high near 57. Breezy.
Friday Night
Mostly clear, with a low around 36.
Saturday
Areas of frost before 7am. Otherwise, sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
6:18 pm CDT Oct 12, 2026
Forecast Valid:
6pm CDT Oct 12, 2026-6pm CDT Oct 19, 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