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

72°F

22°C

Humidity 19%
Wind Speed E 6 mph
Barometer 29.74 in (1008.3 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Last update 20 Apr 8:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Partly cloudy, with a low around 44. East southeast wind 5 to 10 mph becoming west southwest after midnight.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Northwest wind around 5 mph becoming east in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. East southeast wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 60 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 80. Breezy, with a south wind around 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. East southeast wind 5 to 10 mph becoming west southwest after midnight.
Tuesday
Sunny, with a high near 85. Northwest wind around 5 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. East southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80. Breezy, with a south wind around 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 40. Breezy.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 36.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
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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:
8:58 pm CDT Apr 20, 2026
Forecast Valid:
9pm CDT Apr 20, 2026-6pm CDT Apr 27, 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