National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

85°F

29°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 1 Sep 8:56 am CDT
Extended Forecast for

Woodlawn IL

Heat Advisory September 1, 09:31am until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 09:31am until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. Light south wind.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Light and variable wind.

    High: 101 °F

    Hot

  • Friday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
Clear, with a low around 76. Calm wind.
Wednesday
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 75. Light south wind.
Thursday
Sunny and hot, with a high near 101. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 76. Calm wind.
Friday
Sunny and hot, with a high near 101. Light and variable wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Labor Day
Sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Woodlawn IL
 38.34°N 89.03°W
Last Update:
9:11 am CDT Sep 1, 2026
Forecast Valid:
9am CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation