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.

Mostly Cloudy

68°F

20°C

Humidity 96%
Wind Speed N 14 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 4:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 81. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 81 °F

    Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 50%.

    High: 80 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 81. Southwest wind around 5 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 84. South wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 82.
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:
1:33 am CDT Aug 18, 2026
Forecast Valid:
5am CDT Aug 18, 2026-6pm CDT Aug 24, 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