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

76°F

24°C

Humidity 82%
Wind Speed S 3 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 14 Jul 12:56 am CDT
Extended Forecast for

Yankton SD

  • Overnight

    Overnight: Mostly clear, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Southeast wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • 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 66. South southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then a chance of showers after 10am. Partly sunny, with a high near 82. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Southeast wind around 5 mph.
Monday
Sunny, with a high near 93. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 71. South wind around 10 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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 66. South southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms, then a chance of showers after 10am. Partly sunny, with a high near 82. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
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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:
10:31 pm CDT Jul 13, 2025
Forecast Valid:
1am CDT Jul 14, 2025-6pm CDT Jul 20, 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