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.

Mostly Cloudy

75°F

24°C

Humidity 90%
Wind Speed NE 7 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 13 Aug 12:56 am CDT
Extended Forecast for

7 Miles SSE Clayton SD

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy smoke before 2am. Low around 67. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 75. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Cloudy, with a high near 76. East northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. East southeast wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy smoke before 2am. Low around 67. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 75. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Cloudy, with a high near 76. East northeast wind around 10 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 64. East southeast wind around 5 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Clayton SD
 43.35°N 97.62°W (Elev. 1250 ft)
Last Update:
12:23 am CDT Aug 13, 2026
Forecast Valid:
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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