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

45°F

7°C

Humidity 30%
Wind Speed W 12 mph
Barometer 30.13 in (1022.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Apr 8:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. North northwest wind 5 to 10 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North wind 5 to 10 mph becoming southeast after midnight.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 77 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Northwest wind around 5 mph becoming east northeast in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Breezy.

    High: 88 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 58. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 30. North wind 5 to 10 mph becoming southeast after midnight.
Monday
Sunny, with a high near 77. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 46. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 82. Northwest wind around 5 mph becoming east northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 88. Breezy.
Wednesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 81. Breezy.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 37. Breezy.
Friday
Mostly sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 57.
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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:
8:38 pm CDT Apr 18, 2026
Forecast Valid:
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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