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 74%
Wind Speed E 3 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 3 Jul 7:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Independence Day

    Independence Day: Partly sunny, with a high near 89. North northwest wind 5 to 10 mph.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. North northwest wind 5 to 10 mph becoming light after midnight.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. East wind 5 to 10 mph becoming south southeast after midnight.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South southeast wind 5 to 10 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming southwest after midnight.
Independence Day
Partly sunny, with a high near 89. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 64. North northwest wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 65. East wind 5 to 10 mph becoming south southeast after midnight.
Monday
Sunny, with a high near 92. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 92.
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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:
7:43 pm CDT Jul 3, 2026
Forecast Valid:
9pm CDT Jul 3, 2026-6pm CDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation