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

35°F

2°C

Humidity 72%
Wind Speed W 3 mph
Barometer 30.16 in (1023.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 2 May 1:56 am CDT
Extended Forecast for

4 Miles SE Mayfield SD

Freeze Warning until May 2, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 2, 08:00am

    NOW until 8:00am Sat

    Freeze Warning

  • Overnight

    Low: 32 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 7am. Otherwise, sunny, with a high near 68. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 45. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 68. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West northwest wind 5 to 10 mph becoming southwest after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Widespread frost after 5am. Otherwise, mostly clear, with a low around 32. North northeast wind around 5 mph becoming southwest.
Saturday
Widespread frost before 7am. Otherwise, sunny, with a high near 68. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 45. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 68. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45. West northwest wind 5 to 10 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 73. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 40. Breezy.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mayfield SD
 43.06°N 97.25°W (Elev. 1378 ft)
Last Update:
1:33 am CDT May 2, 2026
Forecast Valid:
2am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation