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.

Thunderstorm in Vicinity

19°C

67°F

Humidity 97%
Wind Speed NW 20 km/h
Barometer 1011.5 mb (29.86 in)
Dewpoint 19°C (66°F)
Visibility 16 km
Last update 15 Jul 8:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Low around 19. West northwest wind 10 to 15 km/h becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    Low: 19 °C

    Severe
    Thunderstorms
    then T-storms
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 23. North wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 20%.

    High: 23 °C

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. North wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 14 °C

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 24. North wind 10 to 15 km/h becoming east in the afternoon.

    High: 24 °C

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. East southeast wind 10 to 15 km/h.

    Low: 15 °C

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28. Southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.

    High: 28 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20.

    Low: 20 °C

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °C

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Low around 19. West northwest wind 10 to 15 km/h becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Wednesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 23. North wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 14. North wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 35 km/h.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 24. North wind 10 to 15 km/h becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 15. East southeast wind 10 to 15 km/h.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28. Southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 m)
Last Update:
9:48 pm CDT Jul 15, 2025
Forecast Valid:
9pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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