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

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.18 in (1022.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 30 Jul 7:56 am CDT
Extended Forecast for

4 Miles E Avon SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 77. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southeast wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 77. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 78. North northeast wind 5 to 10 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southeast wind around 10 mph.
Saturday
Partly sunny, with a high near 78.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Avon SD
 43°N 97.99°W (Elev. 1526 ft)
Last Update:
5:45 am CDT Jul 30, 2025
Forecast Valid:
8am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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