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

40°F

4°C

Humidity 55%
Wind Speed E 7 mph
Barometer 30.13 in (1023.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Nov 4:56 pm CST
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Increasing clouds, with a low around 23. Southeast wind around 5 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 44. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. South southeast wind 5 to 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Increasing clouds, with a low around 23. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 44. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 29. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 50. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 35. South wind around 10 mph.
Monday
Sunny, with a high near 53. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 54. Breezy.
Tuesday Night
Mostly cloudy, with a low around 46. Breezy.
Wednesday
Partly sunny, with a high near 59. Breezy.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
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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:
4:48 pm CST Nov 13, 2026
Forecast Valid:
5pm CST Nov 13, 2026-6pm CST Nov 20, 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