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

79°F

26°C

Humidity 67%
Wind Speed SE 9 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 Jul 10:56 pm CDT
Extended Forecast for

3 Miles W Irene SD

Extreme Heat Warning July 25, 11:55pm until July 26, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 25, 11:55pm until July 26, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Severe
    Thunderstorms

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing and hot, with a high near 98. Heat index values as high as 109. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 98 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 74. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. North northwest wind around 10 mph becoming northeast in the afternoon.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Increasing clouds, with a low around 71. East wind 5 to 10 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 90. East wind 5 to 10 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Some of the storms could be severe. Cloudy, with a low around 75. North northeast wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Sunday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing and hot, with a high near 98. Heat index values as high as 109. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 74. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 95. North northwest wind around 10 mph becoming northeast in the afternoon.
Monday Night
Increasing clouds, with a low around 71. East wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 90. East wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers. Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Irene SD
 43.08°N 97.22°W (Elev. 1552 ft)
Last Update:
11:18 pm CDT Jul 25, 2026
Forecast Valid:
11pm CDT Jul 25, 2026-6pm CDT Aug 1, 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