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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

35°F

2°C

Humidity 48%
Wind Speed Calm
Barometer 30.12 in (1020.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 21 Jan 6:56 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: Mostly clear, with a low around 23. Northwest wind 3 to 7 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Light north northwest wind.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. Light west northwest wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 21 mph.

    Low: 14 °F

    Mostly 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 23 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after midnight. Cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 6 °F

    Cloudy then
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers likely, mainly after noon. Cloudy, with a high near 15. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 15 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow showers. Low around 10. Northeast wind 7 to 9 mph. Chance of precipitation is 80%.

    Low: 10 °F

    Snow Showers

  • Sunday

    Sunday: A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 19. North northwest wind 7 to 9 mph.

    High: 19 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. Northwest wind around 6 mph.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Northwest wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 38. Light north northwest wind.
Thursday Night
Mostly cloudy, with a low around 14. Light west northwest wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 21 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 23 mph.
Friday Night
A 30 percent chance of snow showers after midnight. Cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 21 mph.
Saturday
Snow showers likely, mainly after noon. Cloudy, with a high near 15. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Snow showers. Low around 10. Northeast wind 7 to 9 mph. Chance of precipitation is 80%.
Sunday
A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 19. North northwest wind 7 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 1. Northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 17. West northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 2. West southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 27. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 14. South southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 29. West wind 6 to 9 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:
6:51 pm CST Jan 21, 2026
Forecast Valid:
7pm CST Jan 21, 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