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

3 Miles ENE Mount Vernon IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. East southeast wind 3 to 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40. Southeast wind 6 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. East wind 3 to 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 37 °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 36. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Wednesday

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

    High: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 34. East northeast wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. East southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 40. Southeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 27. East wind 3 to 7 mph.
Monday
Sunny, with a high near 53. Light and variable wind.
Monday Night
Mostly clear, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.
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 36. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers before noon. Mostly cloudy, with a high near 49. Northeast wind 5 to 7 mph.
Wednesday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 34. East northeast wind 3 to 5 mph.
Thursday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 44. East northeast wind 5 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 29. 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.
Friday Night
A chance of showers. Mostly cloudy, with a low around 27. East northeast wind around 6 mph.
Saturday
A chance of showers. Partly sunny, with a high near 42. East northeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount Vernon IL
 38.33°N 88.86°W
Last Update:
10:57 pm CST Feb 7, 2026
Forecast Valid:
11pm CST Feb 7, 2026-6pm CST Feb 14, 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