Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

77°F

25°C

Humidity 81%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Sep 4:55 am CDT
Extended Forecast for

2 Miles SW Godfrey IL

Extreme Heat Warning September 4, 05:13am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 05:13am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Light southwest wind.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Northeast wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Northeast wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 75. Light southwest wind.
Saturday
Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 73. Northeast wind 3 to 5 mph.
Sunday
Sunny, with a high near 94. Northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 68.
Labor Day
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Godfrey IL
 38.95°N 90.22°W (Elev. 558 ft)
4:31 am CDT Sep 4, 2026
5am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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