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.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.04 in (1018.1 mb)
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 18 Sep 8:56 am CDT
Extended Forecast for

Mayfield SD

  • Today

    Today: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. East southeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. North wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly between 1pm and 4pm. Cloudy, with a high near 68. North wind around 10 mph.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 7pm, then a slight chance of showers after 1am. Cloudy, with a low around 57. North northeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 63. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 53. East northeast wind around 10 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. East southeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 62. North wind 5 to 10 mph.
Saturday
A 30 percent chance of showers, mainly between 1pm and 4pm. Cloudy, with a high near 68. North wind around 10 mph.
Saturday Night
A slight chance of showers before 7pm, then a slight chance of showers after 1am. Cloudy, with a low around 57. North northeast wind around 10 mph. Chance of precipitation is 20%.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 63. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 53. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
Showers likely before 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayfield SD
 43.08°N 97.31°W (Elev. 1342 ft)
Last Update:
8:08 am CDT Sep 18, 2026
Forecast Valid:
9am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation