Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

93°F

34°C

Humidity 53%
Wind Speed W 6 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 4 Sep 11:50 am CDT
Extended Forecast for

Worden IL

Extreme Heat Warning September 4, 12:27pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 12:27pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Northeast wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Light northeast wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 104. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. Northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 92. Light northeast wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 65.
Labor Day
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Worden IL
 38.94°N 89.85°W (Elev. 551 ft)
11:51 am CDT Sep 4, 2026
12pm CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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