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

46°F

8°C

Humidity 66%
Wind Speed NW 5 mph
Barometer 30.18 in (1023.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 May 5:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of sprinkles before 9am. Mostly sunny, with a high near 85. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 85 °F

    Chance
    Sprinkles and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 49. South southwest wind 10 to 15 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 86. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 55. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
A chance of sprinkles before 9am. Mostly sunny, with a high near 85. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph.
Thursday Night
A chance of rain and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 49. South southwest wind 10 to 15 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 86. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming east southeast after midnight.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 72. Breezy.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44. Breezy.
Tuesday
Partly sunny, with a high near 68.
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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:
5:43 am CDT May 13, 2026
Forecast Valid:
6am CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation