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

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in (1020.4 mb)
Dewpoint 52°F (11°C)
Visibility 0.15 mi
Last update 8 Aug 6:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: Mostly sunny, with a high near 86. East northeast wind 5 to 10 mph becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 90. Southeast wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of sprinkles after 4am. Patchy smoke between midnight and 2am. Mostly cloudy, with a low around 68. East northeast wind 5 to 15 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Sprinkles

  • Monday

    Monday: A chance of sprinkles before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind 5 to 10 mph.

    High: 88 °F

    Chance
    Sprinkles

  • Monday Night

    Monday Night: A chance of rain before 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. East northeast wind 5 to 10 mph becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 90. Southeast wind 5 to 10 mph becoming north northeast in the afternoon.
Sunday Night
A chance of sprinkles after 4am. Patchy smoke between midnight and 2am. Mostly cloudy, with a low around 68. East northeast wind 5 to 15 mph.
Monday
A chance of sprinkles before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind 5 to 10 mph.
Monday Night
A chance of rain before 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A 40 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 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 76.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.43°W (Elev. 1273 ft)
Last Update:
5:53 am CDT Aug 8, 2026
Forecast Valid:
7am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation