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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
5:46 am CST Jan 21, 2026
8am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database