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.

Fog

N/A

Humidity NA
Wind Speed SE 5 mph
Barometer 30.15 in
Dewpoint N/A
Visibility 0.50 mi
Last update 24 Nov 5:56 am CST
Extended Forecast for

2 Miles W Woodlawn IL

Dense Fog Advisory until November 24, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until November 24, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Today

    High: 52 °F

    Dense Fog
    then Chance
    Showers

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 50. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 7 mph in the morning.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West northwest wind 5 to 15 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West northwest wind 6 to 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 43. West northwest wind 7 to 13 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West northwest wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Today
A 40 percent chance of showers, mainly after 2pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 52. South southeast wind 3 to 8 mph.
Tonight
Showers, mainly before 5am. Low around 50. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 36. West northwest wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 46. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 28. West northwest wind 6 to 10 mph.
Thanksgiving Day
Sunny, with a high near 43. West northwest wind 7 to 13 mph.
Thursday Night
Mostly clear, with a low around 21. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41. Calm wind becoming west northwest around 6 mph in the morning.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Southeast wind 3 to 7 mph.
Saturday
Rain and snow showers likely. Cloudy, with a high near 42. South southeast wind 7 to 10 mph.
Saturday Night
Showers likely. Cloudy, with a low around 36. South southeast wind 6 to 8 mph.
Sunday
Showers likely. Cloudy, with a high near 50. South wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Woodlawn IL
 38.32°N 89.08°W
Last Update:
3:16 am CST Nov 24, 2025
Forecast Valid:
6am CST Nov 24, 2025-6pm CST Nov 30, 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