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.

Overcast

80°F

27°C

Humidity 82%
Wind Speed SE 8 mph
Barometer 29.92 in (1013.8 mb)
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 18 Jul 6:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy during the early evening, then becoming cloudy, with a low around 65. East wind 5 to 10 mph.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. East southeast wind 5 to 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy during the early evening, then becoming cloudy, with a low around 65. East wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. East southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 90.
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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:
6:46 pm CDT Jul 18, 2025
Forecast Valid:
7pm CDT Jul 18, 2025-6pm CDT Jul 25, 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