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

69°F

21°C

Humidity 81%
Wind Speed S 16 G 25 mph
Barometer 30.06 in (1018.5 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 3 Aug 11:56 am CDT
Extended Forecast for

Avon SD

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 63. South wind around 10 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind around 10 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South southeast wind around 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 63. South wind around 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind around 10 mph.
Monday Night
Partly cloudy, with a low around 64. South southeast wind around 10 mph.
Tuesday
Mostly sunny, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 88.
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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:
11:46 am CDT Aug 3, 2025
Forecast Valid:
12pm CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation