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

47°F

8°C

Humidity 37%
Wind Speed SW 9 mph
Barometer 29.94 in (1016.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Jan 7:56 pm CST
Extended Forecast for

Avon SD

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 46. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly between 10am and 3pm. Mostly cloudy, with a high near 53. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. North wind 5 to 10 mph becoming south after midnight.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Breezy, with a south wind 10 to 15 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24. Blustery.

    Low: 24 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 46. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Rain likely, mainly between 10am and 3pm. Mostly cloudy, with a high near 53. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 33. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 20. North wind 5 to 10 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 46. Breezy, with a south wind 10 to 15 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24. Blustery.
Friday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 35.
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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:
6:18 pm CST Jan 12, 2026
Forecast Valid:
8pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation