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

68°F

20°C

Humidity 63%
Wind Speed E 9 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 May 2:56 am CDT
Extended Forecast for

5 Miles W Mayfield SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 63. East southeast wind around 10 mph.

    Low: 63 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 91. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 90 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 85.

    High: 85 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 63. East southeast wind around 10 mph.
Memorial Day
Mostly sunny, with a high near 91. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 59. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 88. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly cloudy, with a high near 85.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Mayfield SD
 43.08°N 97.4°W (Elev. 1302 ft)
Last Update:
3:38 am CDT May 25, 2026
Forecast Valid:
3am CDT May 25, 2026-6pm CDT May 31, 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