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

87°F

31°C

Humidity 43%
Wind Speed Vrbl 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Jun 12:56 pm CDT
Extended Forecast for

Yankton SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 91. West southwest wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 1am and 2am. Increasing clouds, with a low around 65. North northwest wind 5 to 10 mph becoming east southeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. North northwest wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind around 10 mph.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming southwest after midnight.

    Low: 61 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 96. Breezy.

    High: 96 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 91. West southwest wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, mainly between 1am and 2am. Increasing clouds, with a low around 65. North northwest wind 5 to 10 mph becoming east southeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. North northwest wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming southwest after midnight.
Juneteenth
Sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 69.
Friday
Sunny and hot, with a high near 96. Breezy.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 77. Breezy.
Sunday
Sunny and hot, with a high near 98. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.9°N 97.4°W (Elev. 1250 ft)
Last Update:
1:46 pm CDT Jun 16, 2025
Forecast Valid:
1pm CDT Jun 16, 2025-6pm CDT Jun 22, 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