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

  • Today

    Today: Patchy fog between 7am and 8am. Otherwise, increasing clouds, with a high near 63. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 48. North northwest wind 3 to 6 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 45 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 32. Light east wind.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. Calm wind becoming east around 6 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 49. East wind 6 to 10 mph.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, increasing clouds, with a high near 63. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 48. North northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 29. Calm wind.
Thursday
Cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 32. Light east wind.
Friday
Partly sunny, with a high near 49. Calm wind becoming east around 6 mph.
Friday Night
Mostly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.
Saturday
A chance of rain. Mostly cloudy, with a high near 49. East wind 6 to 10 mph.
Saturday Night
Rain likely. Cloudy, with a low around 40. East wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of rain. Partly sunny, with a high near 52. Northeast wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 34. North northwest wind around 6 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 57. Calm wind becoming south around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount Vernon IL
 38.33°N 88.86°W
Last Update:
4:52 am CST Feb 10, 2026
Forecast Valid:
5am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation