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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

71°F

22°C

Humidity 81%
Wind Speed SE 7 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 4:56 am CDT
Extended Forecast for

2 Miles WNW Tyndall SD

Extreme Heat Warning June 20, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Partly sunny, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 106. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 100 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 78. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 105. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 100 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 106. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Increasing clouds, with a low around 78. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 105. South southwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 80. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Tyndall SD
 43°N 97.9°W (Elev. 1398 ft)
Last Update:
5:00 am CDT Jun 20, 2025
Forecast Valid:
5am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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