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

49°F

9°C

Humidity 93%
Wind Speed Calm
Barometer 29.70 in (1006.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 14 Apr 1:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Partly cloudy, with a low around 48. North northwest wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 47. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 7am. Partly sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46. West wind around 5 mph becoming south southeast in the evening.

    Low: 46 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers. Partly sunny, with a high near 70. Breezy.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers between 10pm and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. North northwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 75. North wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 47. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers, mainly after 7am. Partly sunny, with a high near 72. North wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46. West wind around 5 mph becoming south southeast in the evening.
Thursday
Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 70. Breezy.
Friday Night
A chance of rain showers before 10pm, then a chance of rain and snow showers between 10pm and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow showers before 1pm. Partly sunny, with a high near 48. Breezy.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 73. Breezy.
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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 Apr 14, 2026
Forecast Valid:
2am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
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