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

73°F

23°C

Humidity 94%
Wind Speed E 3 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 5 Sep 6:50 am CDT
Extended Forecast for

Rosewood Heights IL

Extreme Heat Warning September 5, 06:54am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 5, 06:54am 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 71. Northeast wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. East wind 6 to 9 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. East wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89. East wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Monday Night

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

    Low: 66 °F

    Mostly Clear

  • Tuesday

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

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming northwest 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 71. Northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 90. East wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 63. East wind 5 to 10 mph.
Labor Day
Sunny, with a high near 89. East wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Rosewood Heights IL
 38.88°N 90.08°W (Elev. 499 ft)
4:16 am CDT Sep 5, 2026
6am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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