National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly cloudy, with a high near 29. South wind around 7 mph.

    High: 29 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. South southwest wind 3 to 6 mph.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. West wind around 6 mph becoming calm in the afternoon.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow. Cloudy, with a high near 34. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. North wind 3 to 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. North wind 3 to 6 mph.

    High: 29 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 36 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly cloudy, with a high near 29. South wind around 7 mph.
Tonight
A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. South southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 37. West wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A 30 percent chance of snow. Cloudy, with a high near 34. Calm wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 19. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 29. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 12. Calm wind.
Thursday
Partly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 44. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 21. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 34. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
1:21 pm CST Feb 1, 2026
Forecast Valid:
1pm CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation