National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

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

Santee 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: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 67. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 7 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 95. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind 5 to 7 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 6 to 10 mph.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. East southeast wind around 10 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 67. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 91. Calm wind becoming east 5 to 8 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 95. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Mostly clear, with a low around 72. South wind 5 to 7 mph.
Friday
Sunny, with a high near 95. South wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 95. South wind 5 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 5 to 9 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 91. East wind 5 to 10 mph, with gusts as high as 17 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 67. East northeast wind 6 to 10 mph becoming southeast after midnight.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South 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 68. Southeast wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 11 to 14 mph, with gusts as high as 23 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santee NE
 42.85°N 97.84°W (Elev. 1207 ft)
Last Update:
4:05 pm CDT Sep 1, 2026
Forecast Valid:
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation