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.

Partly Cloudy

62°F

17°C

Humidity 58%
Wind Speed NW 15 mph
Barometer 29.98 in (1016.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 5 Oct 6:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 47. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 63. North northeast wind 5 to 10 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. South wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 47. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 63. North northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. South wind around 5 mph.
Wednesday
Sunny, with a high near 72. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 81.
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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:
7:28 pm CDT Oct 5, 2025
Forecast Valid:
7pm CDT Oct 5, 2025-6pm CDT Oct 12, 2025
 
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