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

5 Miles ENE Wynot NE

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: 91 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am.  Mostly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming north northwest 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: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind becoming south southwest 5 to 8 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 17 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am.  Sunny, with a high near 94. South wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 10%.

    High: 94 °F

    Slight Chance
    T-storms then
    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 11 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. South southeast wind around 8 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Southeast wind around 9 mph, with gusts as high as 16 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming north northwest 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 southwest 5 to 8 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 17 mph.
Thursday
A slight chance of thunderstorms before 7am. Sunny, with a high near 94. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
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 11 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southeast wind around 8 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southeast wind 6 to 10 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 chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 6 to 10 mph becoming south southeast in the morning. Winds could gust as high as 17 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. East southeast wind 7 to 9 mph.
Labor Day
A chance of showers. Partly sunny, with a high near 87. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 13 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Wynot NE
 42.75°N 97.07°W (Elev. 1155 ft)
4:05 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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