National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Mostly Cloudy

58°F

14°C

Humidity 78%
Wind Speed NE 3 mph
Barometer 29.99 in (1016.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 7:56 am CDT
Extended Forecast for

4 Miles W Mayfield SD

  • Juneteenth

    Juneteenth: Showers likely, mainly between noon and 4pm. Mostly cloudy, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm. Increasing clouds, with a high near 82. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 71. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East northeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Juneteenth
Showers likely, mainly between noon and 4pm. Mostly cloudy, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 54. West southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers between 2pm and 5pm. Increasing clouds, with a high near 82. East wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 71. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East northeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Monday
Partly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mayfield SD
 43.08°N 97.4°W (Elev. 1302 ft)
Last Update:
8:17 am CDT Jun 19, 2026
Forecast Valid:
8am CDT Jun 19, 2026-6pm CDT Jun 25, 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