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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

37°F

3°C

Humidity 79%
Wind Speed SW 13 mph
Barometer 30.11 in (1020.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Jan 7:56 am CST
Extended Forecast for

Mount Vernon IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 46. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 23. West southwest wind 3 to 6 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12. Light north wind increasing to 8 to 13 mph after midnight. Winds could gust as high as 22 mph.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 18. North wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow showers. Cloudy, with a high near 15. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 15 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 9. Northeast wind around 7 mph.

    Low: 9 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A slight chance of snow showers before noon. Partly sunny, with a high near 20. North wind 5 to 7 mph.

    High: 20 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 46. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 23. West southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 38. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 12. Light north wind increasing to 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Friday
Mostly cloudy, with a high near 18. North wind 11 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow showers. Cloudy, with a high near 15. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 9. Northeast wind around 7 mph.
Sunday
A slight chance of snow showers before noon. Partly sunny, with a high near 20. North wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 5. Light northwest wind.
Monday
Sunny, with a high near 21. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 7. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 31. South southwest wind 5 to 7 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:
5:46 am CST Jan 21, 2026
Forecast Valid:
8am CST Jan 21, 2026-6pm CST Jan 27, 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