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 100%
Wind Speed S 3 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 7 Aug 5:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, then gradually becoming sunny, with a high near 90. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Chance
    T-storms then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 9am and 11am. Sunny, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. East wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, then gradually becoming sunny, with a high near 90. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 60. North wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A slight chance of showers and thunderstorms between 9am and 11am. Sunny, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. East wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
6:13 am CDT Aug 7, 2026
Forecast Valid:
6am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation