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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

26°F

-3°C

Humidity 92%
Wind Speed SW 5 mph
Barometer 30.19 in (1023.1 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill20°F (-7°C)
Last update 21 Jan 10:56 pm CST
Extended Forecast for

Mount Vernon IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 38. West northwest wind 3 to 6 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 18. Wind chill values as low as -2. North wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after noon. High near 15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 15 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. Low around 11. North wind around 8 mph. Chance of precipitation is 90%.

    Low: 11 °F

    Snow

  • Sunday

    Sunday: A chance of snow, mainly before noon. Mostly cloudy, with a high near 18. North wind 7 to 10 mph.

    High: 18 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. Northwest wind around 6 mph.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. West northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 14. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy, with a high near 18. Wind chill values as low as -2. North wind 11 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after noon. High near 15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Snow. Low around 11. North wind around 8 mph. Chance of precipitation is 90%.
Sunday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 18. North wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 3. Northwest wind around 6 mph.
Monday
Sunny, with a high near 19. West northwest wind around 7 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 7. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 31. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 31. West wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
10:41 pm CST Jan 21, 2026
Forecast Valid:
11pm CST Jan 21, 2026-6pm CST Jan 28, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation