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.

A Few Clouds

76°F

24°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 3 Jul 1:56 pm CDT
Extended Forecast for

Yankton SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 67. East wind 5 to 10 mph becoming west after midnight.

    Low: 67 °F

    Heavy Rain

  • Independence Day

    Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 89. North northwest wind 5 to 10 mph.

    High: 89 °F

    Decreasing
    Clouds

  • 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.

    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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 67. East wind 5 to 10 mph becoming west after midnight.
Independence Day
Mostly cloudy, then gradually becoming 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.
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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
1:32 pm CDT Jul 3, 2026
Forecast Valid:
2pm CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation