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.

Light Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 30.12 in (1021.2 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 21 Sep 3:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 56. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 1pm, then a chance of drizzle after 1pm. Cloudy, with a high near 58. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of drizzle before 9pm, then a slight chance of drizzle after midnight. Cloudy, with a steady temperature around 55. East northeast wind 5 to 10 mph.

    Low: 55 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. East southeast wind 5 to 10 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. East southeast wind around 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 67. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 56. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely before 1pm, then a chance of drizzle after 1pm. Cloudy, with a high near 58. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A slight chance of drizzle before 9pm, then a slight chance of drizzle after midnight. Cloudy, with a steady temperature around 55. East northeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 63. East southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 51. East southeast wind around 10 mph.
Wednesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 67. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
Mostly cloudy, with a high near 70.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.86°N 97.4°W (Elev. 1171 ft)
Last Update:
3:58 am CDT Sep 21, 2026
Forecast Valid:
4am CDT Sep 21, 2026-6pm CDT Sep 27, 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