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

  • Today

    Today: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 36. Light east northeast wind becoming north northeast 5 to 9 mph in the morning.

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. North northeast wind around 7 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. North wind 5 to 7 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. South wind around 8 mph becoming west after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. Northwest wind 6 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. Calm wind becoming east around 6 mph in the morning.

    High: 40 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 36. Light east northeast wind becoming north northeast 5 to 9 mph in the morning.
Tonight
Mostly cloudy, with a low around 22. North northeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 30. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 13. Light and variable wind.
Thursday
Partly sunny, with a high near 35. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. South wind around 8 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 48. Northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 40. Calm wind becoming east around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 25. East southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 42. East northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 23. Light east northeast wind.
Monday
Mostly sunny, with a high near 40. East wind 3 to 6 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:
6:46 am CST Feb 3, 2026
Forecast Valid:
7am CST Feb 3, 2026-6pm CST Feb 9, 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