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 Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 29.95 in (1013.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 4 Sep 4:53 am CDT
Extended Forecast for

Venice IL

Extreme Heat Warning September 4, 05:55am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 05:55am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 101 °F

    Hot

  • Tonight

    Tonight: 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 101. Heat index values as high as 107. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. North wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Northeast wind 3 to 8 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming southwest around 6 mph in the morning.
Tonight
Mostly clear, with a low around 78. Light south wind.
Saturday
Mostly sunny and hot, with a high near 101. Heat index values as high as 107. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 96. Northeast wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 70.
Labor Day
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Venice IL
 38.66°N 90.17°W (Elev. 404 ft)
4:31 am CDT Sep 4, 2026
5am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database