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

N/A

Humidity NA
Wind Speed W 13 G 26 mph
Barometer 30.18 in
Dewpoint N/A
Visibility 10.00 mi
Last update 26 Nov 11:56 am CST
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 29. West northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 40. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West northwest wind around 6 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Rain, possibly mixed with snow showers, mainly after noon. High near 41. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Showers, mainly before midnight. Cloudy, with a low around 31. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 40. Northwest wind 8 to 10 mph.

    High: 40 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.
Tonight
Increasing clouds, with a low around 29. West northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Thanksgiving Day
Sunny, with a high near 40. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 21. West northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 39. Light and variable wind.
Friday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.
Saturday
Rain, possibly mixed with snow showers, mainly after noon. High near 41. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers, mainly before midnight. Cloudy, with a low around 31. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 40. Northwest wind 8 to 10 mph.
Sunday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21. North northwest wind 5 to 7 mph.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 33. North wind around 7 mph.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 19. North northeast wind 3 to 5 mph.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 35. North wind 5 to 7 mph becoming west northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
10:21 am CST Nov 26, 2025
Forecast Valid:
12pm CST Nov 26, 2025-6pm CST Dec 2, 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