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Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

73°F

23°C

Humidity 90%
Wind Speed SE 8 mph
Barometer 29.91 in (1013.4 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 24 Jul 8:56 pm CDT
Extended Forecast for

8 Miles N Mayfield SD

Heat Advisory July 25, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind around 10 mph.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 104. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 97 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. North northeast wind around 10 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 69. South wind around 15 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind around 10 mph.
Saturday Night
A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 104. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 74. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Monday
Sunny and hot, with a high near 97. North northeast wind around 10 mph.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Partly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 69.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Mayfield SD
 43.21°N 97.34°W (Elev. 1637 ft)
Last Update:
9:13 pm CDT Jul 24, 2026
Forecast Valid:
9pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation