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

Edouard Continues to Impact Texas; Severe Storms and Heavy Rain from the Lower Great Lakes to Mid-Atlantic

Edouard will continue to bring gusty winds, heavy rainfall, and a flash flood threat over parts of eastern Texas. Severe thunderstorms and heavy rain are possible across portions of the eastern Great Lakes to the Mid-Atlantic overnight. Severe storms are also expected across parts of Montana. Dangerous heat persists over the central and eastern states through Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed Calm
Barometer 29.95 in (1013.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 2 Sep 10:54 pm CDT
Extended Forecast for

Wentzville MO

Heat Advisory September 2, 11:06pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 11:06pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 3 to 7 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Calm wind becoming south around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 102. Light southwest wind.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Southwest wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. Calm wind becoming south around 6 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 102. Light southwest wind.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 71.
Labor Day
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wentzville MO
 38.81°N 90.85°W (Elev. 633 ft)
Last Update:
10:45 pm CDT Sep 2, 2026
Forecast Valid:
11pm CDT Sep 2, 2026-6pm CDT Sep 9, 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