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Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

49°F

9°C

Humidity 90%
Wind Speed NW 14 mph
Barometer 29.91 in (1014.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Oct 11:56 pm CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Partly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming southwest. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 63. North northeast wind 5 to 10 mph.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 46. East northeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers, mainly before 1pm. High near 59. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36.

    Low: 36 °F

    Clear then
    Areas Frost

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming southwest. Winds could gust as high as 25 mph.
Tuesday
Partly sunny, with a high near 58. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 43. North wind 5 to 10 mph.
Wednesday
Increasing clouds, with a high near 63. North northeast wind 5 to 10 mph.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 46. East northeast wind around 5 mph. Chance of precipitation is 70%.
Thursday
Showers, mainly before 1pm. High near 59. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 56.
Friday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36.
Saturday
Sunny, with a high near 65. Breezy.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 71.
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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:
10:33 pm CDT Oct 12, 2026
Forecast Valid:
1am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation