Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

90°F

32°C

Humidity 50%
Wind Speed E 8 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 3:56 pm CDT
Extended Forecast for

6 Miles S Yankton SD

Severe T-storm Watch until September 1, 11:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until September 1, 11:00pm

    NOW until 11:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 90 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am.  Mostly cloudy, with a low around 66. Southeast wind 5 to 8 mph becoming north after midnight.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind becoming south southeast 5 to 9 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 70. East southeast wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 94. South wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind around 9 mph, with gusts as high as 16 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. South wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. South southeast wind 7 to 9 mph.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 90. Southeast wind around 10 mph, with gusts as high as 16 mph.
Tonight
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 66. Southeast wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 90. Light and variable wind becoming south southeast 5 to 9 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. East southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 94. South wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 72. South wind around 9 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 94. South wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South southeast wind 7 to 9 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South southeast wind 6 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. North wind 6 to 10 mph becoming south southeast in the morning. Winds could gust as high as 18 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 67. East southeast wind 7 to 9 mph.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 14 to 17 mph, with gusts as high as 26 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Yankton SD
 42.79°N 97.36°W (Elev. 1309 ft)
4:05 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database