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

74°F

23°C

Humidity 100%
Wind Speed E 3 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Last update 4 Sep 2:56 am CDT
Extended Forecast for

Irene SD

  • Overnight

    Overnight: Clear, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 102. East wind 5 to 10 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 94. Heat index values as high as 100. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. East southeast wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Labor Day

    Labor Day: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 70. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 102. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 71. East wind 5 to 10 mph.
Saturday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 94. Heat index values as high as 100. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. East southeast wind around 10 mph.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Labor Day
Partly sunny, with a high near 90.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irene SD
 43.08°N 97.16°W (Elev. 1401 ft)
Last Update:
2:40 am CDT Sep 4, 2026
Forecast Valid:
3am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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