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

80°F

27°C

Humidity 71%
Wind Speed S 10 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 12:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Partly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 4am, then showers likely. Low around 66. Southeast wind 5 to 15 mph becoming northwest in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 66 °F

    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind 5 to 15 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 77. North northeast wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms before 4am, then showers likely. Low around 66. Southeast wind 5 to 15 mph becoming northwest in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind 5 to 15 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 77. North northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 89.
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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:
11:32 pm CDT Jul 14, 2025
Forecast Valid:
1am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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