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

35°F

2°C

Humidity 100%
Wind Speed NW 16 mph
Barometer 29.79 in (1010.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 26 Dec 3:56 am CST
Extended Forecast for

7 Miles SSE Clayton SD

Dense Fog Advisory December 26, 04:26am until December 26, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 04:26am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 43 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South southeast wind around 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52. South southeast wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Blustery, with a north northwest wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 35 mph.

    Low: 17 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a temperature rising to near 22 by 11am, then falling to around 16 during the remainder of the day. Blustery, with a north northwest wind around 25 mph, with gusts as high as 40 mph.

    High: 22 °F⇓

    Blustery.
    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 5 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Today
Patchy dense fog before noon. Otherwise, partly sunny, with a high near 43. North northwest wind 5 to 10 mph becoming south southeast in the afternoon.
Tonight
Mostly cloudy, with a low around 36. South southeast wind around 10 mph.
Saturday
Partly sunny, with a high near 52. South southeast wind 5 to 10 mph becoming east northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 17. Blustery, with a north northwest wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 35 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a temperature rising to near 22 by 11am, then falling to around 16 during the remainder of the day. Blustery, with a north northwest wind around 25 mph, with gusts as high as 40 mph.
Sunday Night
Partly cloudy, with a low around 5. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday
Sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 9.
New Year's Day
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Clayton SD
 43.35°N 97.62°W (Elev. 1250 ft)
Last Update:
3:18 am CST Dec 26, 2025
Forecast Valid:
4am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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