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.

Overcast

72°F

22°C

Humidity 94%
Wind Speed W 9 mph
Barometer 29.80 in (1009.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 31 Jul 2:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 79. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 79 °F

    Slight Chance
    Showers and
    Breezy then
    Sunny and
    Windy

  • Friday Night

    Friday Night: Patchy smoke. Mostly clear, with a low around 61. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 61 °F

    Patchy Smoke

  • Saturday

    Saturday: Sunny, with a high near 83. North wind around 10 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light south wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 79. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph.
Friday Night
Patchy smoke. Mostly clear, with a low around 61. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 83. North wind around 10 mph.
Saturday Night
Mostly clear, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light south wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 67.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 77.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
2:08 am CDT Jul 31, 2026
Forecast Valid:
3am CDT Jul 31, 2026-6pm CDT Aug 6, 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