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.

Fog

35°F

2°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 29.71 in (1008.1 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Wind Chill30°F (-1°C)
Last update 25 Dec 11:56 pm CST
Extended Forecast for

Yankton SD

Dense Fog Advisory December 26, 12:15am until December 26, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 12:15am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Patchy dense fog between 7am and 11am. Otherwise, mostly sunny, with a high near 50. West northwest wind around 5 mph becoming east southeast in the afternoon.

    High: 50 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. South southeast wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 19 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 26 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. West northwest wind 5 to 10 mph.
Friday
Patchy dense fog between 7am and 11am. Otherwise, mostly sunny, with a high near 50. West northwest wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 38. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 57. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 6. Blustery.
Monday
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 14.
New Year's Day
Mostly sunny, with a high near 28.
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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:
10:18 pm CST Dec 25, 2025
Forecast Valid:
12am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation