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Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

77°F

25°C

Humidity 42%
Wind Speed S 10 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Oct 11:56 am CDT
Extended Forecast for

Yankton SD

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 88. South southwest wind around 10 mph.

    High: 88 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 76. West northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. North wind around 10 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. North wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 88. South southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Columbus Day
Sunny, with a high near 76. West northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 67. North wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 48. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 66.
Wednesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Thursday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44. Breezy.
Friday
Sunny, with a high near 56. Breezy.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 61.
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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:
11:33 am CDT Oct 11, 2026
Forecast Valid:
12pm CDT Oct 11, 2026-6pm CDT Oct 17, 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