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

48°F

9°C

Humidity 48%
Wind Speed N 17 mph
Barometer 30.31 in (1028.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 5 Apr 8:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 31. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of snow showers before 4pm, then a slight chance of rain showers. Mostly cloudy, with a high near 45. North northeast wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 1am. Cloudy, with a low around 24. North northeast wind around 10 mph.

    Low: 24 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 42. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 34. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 31. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
A chance of snow showers before 4pm, then a slight chance of rain showers. Mostly cloudy, with a high near 45. North northeast wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow showers after 1am. Cloudy, with a low around 24. North northeast wind around 10 mph.
Tuesday
A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 42. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 34. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 34.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 57.
Thursday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 32.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 59.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
7:53 pm CDT Apr 5, 2026
Forecast Valid:
9pm CDT Apr 5, 2026-6pm CDT Apr 12, 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