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

79°F

26°C

Humidity 24%
Wind Speed SW 7 mph
Barometer 29.91 in (1013.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Mar 4:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West southwest wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. West northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. West northwest wind around 5 mph becoming south in the evening.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. South wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Breezy, with a north northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. West southwest wind around 5 mph.
Friday
Sunny, with a high near 81. West northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 44. West northwest wind around 5 mph becoming south in the evening.
Saturday
Sunny, with a high near 90. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 44. South wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 59. Breezy, with a north northwest wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 57. Breezy.
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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:
4:53 pm CDT Mar 19, 2026
Forecast Valid:
5pm CDT Mar 19, 2026-6pm CDT Mar 26, 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