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

86°F

30°C

Humidity 63%
Wind Speed SE 9 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Heat Index92°F (33°C)
Last update 1 Sep 1:56 pm CDT
Extended Forecast for

7 Miles WSW Yankton SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. Southeast wind around 9 mph, with gusts as high as 16 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am.  Mostly cloudy, with a low around 67. Southeast wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind becoming east southeast 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 72. East southeast wind 6 to 9 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 93. South wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind around 9 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 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 72. South southeast wind around 9 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 94. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Southeast wind around 9 mph, with gusts as high as 16 mph.
Tonight
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 67. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 90. Light and variable wind becoming east southeast 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 72. East southeast wind 6 to 9 mph.
Thursday
Sunny, with a high near 93. South wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 72. South wind around 9 mph.
Friday
Sunny, with a high near 94. South wind 7 to 11 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 72. South southeast wind around 9 mph.
Saturday
A slight chance of showers and thunderstorms before 1pm. 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 9 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. North northeast wind 5 to 10 mph becoming 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 wind 7 to 9 mph.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Yankton SD
 42.84°N 97.51°W (Elev. 1234 ft)
1:35 pm CDT Sep 1, 2026
2pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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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