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.

Overcast with Haze

N/A

Humidity NA
Wind Speed Calm
Barometer 30.05 in
Dewpoint N/A
Visibility 4.00 mi
Last update 20 Nov 9:56 pm CST
Extended Forecast for

Woodlawn IL

Dense Fog Advisory until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 51 °F⇑

    Showers and
    Areas Dense
    Fog

  • Friday

    Friday: Showers, mainly before 3pm. Areas of dense fog before noon. High near 63. East wind 3 to 7 mph. Chance of precipitation is 100%.

    High: 63 °F

    Showers and
    Areas Dense
    Fog then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. North wind around 7 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 58. North wind 3 to 7 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Calm wind becoming southwest around 6 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Light south southeast wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers, mainly after 1am. Areas of dense fog. Temperature rising to around 54 by 5am. Light and variable wind. Chance of precipitation is 100%.
Friday
Showers, mainly before 3pm. Areas of dense fog before noon. High near 63. East wind 3 to 7 mph. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. North wind around 7 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 58. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 35. Calm wind.
Sunday
Sunny, with a high near 62. Calm wind becoming southwest around 6 mph.
Sunday Night
Partly cloudy, with a low around 40. Light south southeast wind.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 49. South wind 6 to 8 mph.
Tuesday
A chance of showers, mainly before noon. Partly sunny, with a high near 64. South southwest wind 7 to 11 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 49. West northwest wind 7 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 28. West wind 3 to 6 mph.
Thanksgiving Day
Mostly sunny, with a high near 45. West northwest wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Woodlawn IL
 38.34°N 89.03°W
Last Update:
10:21 pm CST Nov 20, 2025
Forecast Valid:
10pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
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