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.

Overcast

63°F

17°C

Humidity 78%
Wind Speed E 9 mph
Barometer 30.24 in (1025.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Sep 3:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 53. East southeast wind around 10 mph.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers between noon and 1pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 67. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 67 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 57. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 67. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 53. East southeast wind around 10 mph.
Wednesday
A 20 percent chance of showers between noon and 1pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 67. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 57. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 67. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
Mostly cloudy, with a high near 75.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 75.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
2:41 pm CDT Sep 22, 2026
Forecast Valid:
4pm CDT Sep 22, 2026-6pm CDT Sep 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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