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.

Fair

45°F

7°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 30.11 in (1021.1 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill41°F (5°C)
Last update 28 Oct 11:56 pm CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 61. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 44. East southeast wind around 5 mph.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Cloudy, with a high near 59. East wind 5 to 10 mph.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. South southeast wind 5 to 10 mph.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm.
Thursday
Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 61. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 44. East southeast wind around 5 mph.
Friday
A 30 percent chance of showers. Cloudy, with a high near 59. East wind 5 to 10 mph.
Friday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. South southeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Monday
Showers. High near 59. Chance of precipitation is 90%.
Monday Night
Showers. Low around 50. Chance of precipitation is 80%.
Tuesday
Showers likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 52.
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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:
9:58 pm CDT Oct 28, 2026
Forecast Valid:
12am CDT Oct 29, 2026-6pm CST Nov 4, 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