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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

33°F

1°C

Humidity 32%
Wind Speed Vrbl 3 mph
Barometer 30.38 in (1029.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 10:56 am 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

  • Today

    Today: Mostly sunny, with a high near 38. West northwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a temperature falling to around 12 by 8am. Wind chill values as low as -3. 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. Wind chill values as low as -8. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow showers, 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
    Showers then
    Snow Showers

  • Saturday Night

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

    Low: 11 °F

    Snow Showers

  • Sunday

    Sunday: A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 18. North wind 7 to 10 mph.

    High: 18 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Sunday Night

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

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 19. West northwest wind around 7 mph becoming southwest in the afternoon.

    High: 19 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 38. West northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 12. 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 temperature falling to around 12 by 8am. Wind chill values as low as -3. North wind 11 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -8. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Snow showers, 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 showers. Low around 11. North wind around 8 mph. Chance of precipitation is 90%.
Sunday
A 50 percent chance of snow showers, 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:
10:02 am CST Jan 22, 2026
Forecast Valid:
11am CST Jan 22, 2026-6pm CST Jan 28, 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