National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

45°F

7°C

Humidity 61%
Wind Speed Calm
Barometer 29.81 in (1010.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Mar 6:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Blustery, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 24 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 52. North northwest wind 5 to 10 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming south southeast after midnight.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 50. West wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 64. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around 24. Blustery, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 52. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming south southeast after midnight.
Saturday
Mostly sunny, with a high near 64. Breezy.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 47.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 83.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 80.
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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:
6:37 am CDT Mar 25, 2026
Forecast Valid:
7am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation