Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

A Few Clouds

86°F

30°C

Humidity 70%
Wind Speed SE 10 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 26 Jul 1:56 pm CDT
Extended Forecast for

2 Miles W Irene SD

Heat Advisory July 26, 02:11pm until July 26, 08:00pm
Extreme Heat Warning July 27, 12:00pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory July 26, 02:11pm until July 26, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 70. South southeast wind around 10 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 95. East northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph becoming northeast after midnight.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 70. South southeast wind around 10 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 95. East northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph becoming northeast after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Irene SD
 43.08°N 97.19°W (Elev. 1401 ft)
1:45 pm CDT Jul 26, 2025
2pm CDT Jul 26, 2025-6pm CDT Aug 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database