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.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in (1011.3 mb)
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 2 Sep 5:56 am CDT
Extended Forecast for

2 Miles WSW Yankton SD

  • Today

    Today: Sunny, with a high near 92. East northeast wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming east northeast after midnight.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 94. Heat index values as high as 100. East wind 5 to 10 mph becoming south in the morning.

    High: 94 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South southeast wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 92. East northeast wind 5 to 10 mph becoming south southeast in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming east northeast after midnight.
Thursday
A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 94. Heat index values as high as 100. East wind 5 to 10 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 73. South southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
A 50 percent chance of showers. Partly cloudy, with a low around 68.
Labor Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Yankton SD
 42.88°N 97.43°W (Elev. 1273 ft)
Last Update:
5:18 am CDT Sep 2, 2026
Forecast Valid:
6am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation