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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

18°F

-8°C

Humidity 43%
Wind Speed Calm
Barometer 30.41 in (1030.9 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 19 Jan 5:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: Mostly clear, with a low around 10. Light southwest wind.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Light south southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 27. South wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Light and variable wind becoming west southwest around 6 mph in the evening.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 20. North wind 9 to 11 mph.

    High: 20 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 10. Light southwest wind.
Tuesday
Sunny, with a high near 35. Light south southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Increasing clouds, with a low around 27. South wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind 6 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 24. Light and variable wind becoming west southwest around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 13. Calm wind becoming north 5 to 8 mph after midnight.
Friday
Mostly cloudy, with a high near 20. North wind 9 to 11 mph.
Friday Night
A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers, mainly after noon. Mostly cloudy, with a high near 15. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 5. North wind around 7 mph.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 23. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 8. Calm wind becoming southwest around 5 mph after midnight.
Monday
Sunny, with a high near 32. West southwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
6:06 pm CST Jan 19, 2026
Forecast Valid:
6pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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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