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

90°F

32°C

Humidity 35%
Wind Speed S 14 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Oct 4:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 70. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 92 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 68 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 79. Breezy, with a south wind around 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. North northeast wind 5 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. South southeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 92. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Saturday Night
Mostly clear, with a low around 68. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 79. Breezy, with a south wind around 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 47. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 64. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
4:18 pm CDT Oct 3, 2025
Forecast Valid:
5pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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