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

Marshall Memorial Municipal Airport (KMHL)

Lat: 39.1°NLon: 93.2°WElev: 779ft.

Fair

73°F

23°C

Humidity 83%
Wind Speed SW 5 mph
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 4 Sep 6:35 am CDT
Extended Forecast for

Boonville MO

Extreme Heat Warning September 4, 07:11am until September 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 07:11am until September 8, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Light and variable wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Heat index values as high as 109. Light and variable wind.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Light east wind.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 108. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 74. Light and variable wind.
Saturday
Sunny and hot, with a high near 101. Heat index values as high as 109. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 99. Light east wind.
Sunday Night
Partly cloudy, with a low around 70.
Labor Day
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Boonville MO
 38.98°N 92.75°W (Elev. 587 ft)
6:01 am CDT Sep 4, 2026
7am CDT Sep 4, 2026-6pm CDT Sep 10, 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