National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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: Sunny, with a high near 36. East southeast wind around 5 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 26. East southeast wind 5 to 7 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 43. Southeast wind 6 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. East wind 3 to 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. West wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. North northeast wind 3 to 6 mph.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly before noon. Mostly cloudy, with a high near 49. Northeast wind 5 to 7 mph.

    High: 49 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 36. East southeast wind around 5 mph.
Tonight
Increasing clouds, with a low around 26. East southeast wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 43. Southeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 28. East wind 3 to 7 mph.
Monday
Sunny, with a high near 54. Light and variable wind.
Monday Night
Mostly clear, with a low around 38. Calm wind becoming south southwest around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 63. West wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. North northeast wind 3 to 6 mph.
Wednesday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 49. Northeast wind 5 to 7 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 34. East northeast wind 3 to 6 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 44. East northeast wind around 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 46. Northeast 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:
3:22 pm CST Feb 7, 2026
Forecast Valid:
4pm CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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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