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

80°F

27°C

Humidity 51%
Wind Speed SE 16 G 20 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 May 12:56 pm CDT
Extended Forecast for

Yankton SD

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy

Detailed Forecast

Memorial Day
Mostly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 59. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 59. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Mostly cloudy, with a high near 84.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly cloudy, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
1:33 pm CDT May 25, 2026
Forecast Valid:
1pm CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation