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 >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 29.97 in (1014.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Sep 3:53 am CDT
Extended Forecast for

Cahokia IL

Extreme Heat Warning until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 108. South wind 3 to 8 mph.

    High: 101 °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 101. Heat index values as high as 108. Calm wind becoming west around 6 mph in the morning.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. Light south wind.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 80. Light south wind.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 108. South wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 79. South wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming west around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 78. Light south wind.
Saturday
Mostly sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 69.
Labor Day
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Cahokia IL
 38.57°N 90.18°W (Elev. 407 ft)
1:26 am CDT Sep 3, 2026
4am CDT Sep 3, 2026-6pm CDT Sep 9, 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