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

33°F

1°C

Humidity 72%
Wind Speed Calm
Barometer 30.01 in (1018.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 15 Feb 8:56 am CST
Extended Forecast for

Yankton SD

  • Today

    Today: Mostly sunny, with a high near 67. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 64. North wind around 5 mph becoming east southeast in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Breezy, with an east southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 50. Breezy.

    High: 50 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 67. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 33. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 64. North wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 69. Breezy, with an east southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 50. Breezy.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
9:23 am CST Feb 15, 2026
Forecast Valid:
9am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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