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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Avon SD

  • Today

    Today: Sunny, with a high near 71. North northeast wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 83 °F

    Breezy.
    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Columbus Day

    Columbus Day: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. North northeast wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 51. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind around 15 mph, with gusts as high as 25 mph.
Columbus Day
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Avon SD
 43°N 98.05°W (Elev. 1647 ft)
Last Update:
6:33 am CDT Oct 10, 2025
Forecast Valid:
7am CDT Oct 10, 2025-6pm CDT Oct 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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