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.

Light Rain

47°F

8°C

Humidity 86%
Wind Speed NW 9 mph
Barometer 29.87 in (1013.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 24 Nov 6:56 am CST
Extended Forecast for

Avon SD

  • Today

    Today: A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 52. Northwest wind around 5 mph.

    High: 52 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Light and variable wind becoming west northwest 10 to 15 mph after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 8am and noon, then a slight chance of snow after noon. Increasing clouds, with a temperature rising to near 39 by noon, then falling to around 34 during the remainder of the day. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    High: 39 °F⇓

    Windy. Slight
    Chance Rain
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind around 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 52. Northwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 34. Light and variable wind becoming west northwest 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of rain between 8am and noon, then a slight chance of snow after noon. Increasing clouds, with a temperature rising to near 39 by noon, then falling to around 34 during the remainder of the day. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 22. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind around 5 mph.
Thanksgiving Day
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 31.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 20.
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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:
6:58 am CST Nov 24, 2025
Forecast Valid:
7am CST Nov 24, 2025-6pm CST Nov 30, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation