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

68°F

20°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.93 in (1014.1 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 19 Sep 12:56 am CDT
Extended Forecast for

Mayfield SD

  • Overnight

    Overnight: A slight chance of showers and thunderstorms between 4am and 5am, then a slight chance of thunderstorms after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers between 7am and 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. North wind around 10 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 57. North northeast wind around 10 mph.

    Low: 57 °F

    Cloudy

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers after 2pm. Mostly cloudy, with a high near 66. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. East northeast wind around 10 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 61. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms between 4am and 5am, then a slight chance of thunderstorms after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers between 7am and 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. North wind around 10 mph. Chance of precipitation is 20%.
Saturday Night
Cloudy, with a low around 57. North northeast wind around 10 mph.
Sunday
A chance of showers before 11am, then a chance of showers after 2pm. Mostly cloudy, with a high near 66. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. East northeast wind around 10 mph. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 61. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayfield SD
 43.08°N 97.31°W (Elev. 1342 ft)
Last Update:
1:32 am CDT Sep 19, 2026
Forecast Valid:
1am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation