National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

71°F

22°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Jul 4:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 100. South southeast wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 66. South southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. North wind 5 to 10 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 10 mph.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Thursday Night

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

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 100. South southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 71. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. South southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. North wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 10 mph.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 82.
Friday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
5:31 am CDT Jul 14, 2025
Forecast Valid:
5am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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