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.

Fair

84°F

29°C

Humidity 63%
Wind Speed S 15 G 22 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 13 Jul 1:56 pm CDT
Extended Forecast for

Avon SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. South southwest wind around 10 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 65. South southeast wind around 5 mph becoming north northeast after midnight.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 65. South southeast wind around 5 mph becoming north northeast after midnight.
Monday
Sunny, with a high near 93. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
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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:
2:31 pm CDT Jul 13, 2025
Forecast Valid:
2pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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Additional Resources

Radar & Satellite Image

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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