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 today. Severe storms are also expected across the northern Rockies. Dangerous heat persists over the central and eastern states through Friday night. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 2 Sep 6:50 am CDT
Extended Forecast for

Maryville IL

Heat Advisory September 2, 07:37am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 07:37am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 7 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 106. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 3 to 6 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the morning.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Chance
    T-storms

  • Saturday Night

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

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 104. South wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 79. South wind 5 to 7 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 106. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 79. South wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 77.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 98.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 71.
Labor Day
Mostly sunny, with a high near 92.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.94°W (Elev. 554 ft)
6:16 am CDT Sep 2, 2026
7am CDT Sep 2, 2026-6pm CDT Sep 8, 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