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

63°F

17°C

Humidity 37%
Wind Speed NE 6 mph
Barometer 30.16 in (1022.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 6 Oct 5:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 41. North wind around 5 mph becoming calm in the evening.

    Low: 41 °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 42. Calm wind becoming south around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. North 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 42. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 55. South southeast wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 78. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 80. Breezy.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of sprinkles. Mostly sunny, with a high near 79.
Sunday Night
A chance of sprinkles. Partly cloudy, with a low around 51.
Columbus Day
A chance of sprinkles. Mostly sunny, with a high near 68.
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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:
5:38 pm CDT Oct 6, 2025
Forecast Valid:
6pm CDT Oct 6, 2025-6pm CDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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