National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms, Rain, Flooding and Snow Over the Weekend

A cold front will produce isolated strong to severe thunderstorms, locally heavy rain and possible flooding from Texas and the Arklatex to the Ohio Valley and central Appalachians this weekend. Meanwhile, a narrow streak of heavy snow is likely across Upper portions of the Midwest, Mississippi Valley and Great Lakes. Finally, dangerous Santa Ana winds are expected across southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Light Rain

39°F

4°C

Humidity 79%
Wind Speed N 12 mph
Barometer 29.77 in (1010.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 27 Feb 8:56 pm CST
Extended Forecast for

Avon SD

Winter Weather Advisory until February 28, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 28, 06:00am

    NOW until
    6:00am Sun

    Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around 2 inches.

    Snow

    Low: 21 °F

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 36. North northwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    Becoming
    Sunny

    High: 36 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 24. Southwest wind 5 to 15 mph becoming north northwest after midnight.

    Clear

    Low: 24 °F

  • Monday

    Monday: Sunny, with a high near 40. North northwest wind 10 to 15 mph becoming southeast in the afternoon.

    Sunny

    High: 40 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 28. Breezy, with a south wind 10 to 20 mph.

    Clear then
    Clear and
    Breezy

    Low: 28 °F

  • Tuesday

    Tuesday: Sunny, with a high near 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Sunny and
    Breezy

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 30.

    Mostly Clear

    Low: 30 °F

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    Sunny

    High: 59 °F

Detailed Forecast

Tonight
Snow, mainly before 4am. Low around 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around 2 inches.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 36. North northwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Clear, with a low around 24. Southwest wind 5 to 15 mph becoming north northwest after midnight.
Monday
Sunny, with a high near 40. North northwest wind 10 to 15 mph becoming southeast in the afternoon.
Monday Night
Clear, with a low around 28. Breezy, with a south wind 10 to 20 mph.
Tuesday
Sunny, with a high near 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Avon SD
 43.02°N 98.06°W (Elev. 1624 ft)
Last Update:
9:14 pm CST Feb 27, 2021
Forecast Valid:
9pm CST Feb 27, 2021-6pm CST Mar 6, 2021
 
Forecast Discussion
 
Get as KML Get as XML

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