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Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed SE 16 G 22 mph
Barometer 29.88 in (1012.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Jun 9:56 am CDT
Extended Forecast for

Yankton SD

Heat Advisory June 28, 01:00pm until June 29, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph.

    High: 84 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny and hot, with a high near 100. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 101 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 71. Southwest wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny and hot, with a high near 100. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny and hot, with a high near 101. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 71. Southwest wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny and hot, with a high near 98.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
Partly sunny and hot, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Thursday
Mostly sunny and hot, with a high near 98.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy.
Friday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
8:38 am CDT Jun 27, 2026
Forecast Valid:
10am CDT Jun 27, 2026-6pm CDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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