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.

Light Snow and Breezy

5°F

-15°C

Humidity 76%
Wind Speed NW 24 G 32 mph
Barometer 30.09 in (1023.2 mb)
Dewpoint -1°F (-18°C)
Visibility 9.00 mi
Wind Chill-17°F (-27°C)
Last update 17 Jan 3:56 am CST
Extended Forecast for

Avon SD

  • Overnight

    Overnight: A chance of flurries. Patchy blowing snow before 5am. Mostly cloudy, with a steady temperature around 6. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Chance
    Flurries and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: A chance of flurries before 11am. Partly sunny, with a high near 10. Wind chill values as low as -23. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 10 °F

    Chance
    Flurries and
    Blustery

  • Saturday Night

    Saturday Night: Increasing clouds, with a temperature rising to around 21 by 5am. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 30 mph.

    Low: 7 °F⇑

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of flurries before noon, then a slight chance of snow after noon. Partly sunny, with a high near 32. Windy, with a north northwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    High: 32 °F

    Windy. Chance
    Flurries then
    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around 1. Blustery, with a north northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 1 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 19. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Patchy blowing snow before 5am. Mostly cloudy, with a steady temperature around 6. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.
Saturday
A chance of flurries before 11am. Partly sunny, with a high near 10. Wind chill values as low as -23. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Increasing clouds, with a temperature rising to around 21 by 5am. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 30 mph.
Sunday
A chance of flurries before noon, then a slight chance of snow after noon. Partly sunny, with a high near 32. Windy, with a north northwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Sunday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around 1. Blustery, with a north northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
M.L.King Day
Mostly sunny, with a high near 19. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 21.
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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:
3:18 am CST Jan 17, 2026
Forecast Valid:
4am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation