Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

50°F

10°C

Humidity 44%
Wind Speed SW 6 mph
Barometer 29.79 in (1009.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Feb 11:56 am CST
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm.  Mostly cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 10pm and 5am.  Mostly cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 54. East northeast wind around 6 mph becoming calm  in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. South wind 5 to 7 mph becoming north northwest after midnight.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. North wind 5 to 8 mph becoming south in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers.  Partly cloudy, with a low around 33. North northeast wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers.  Cloudy, with a high near 46. East northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 46 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 53. Light and variable wind.
Tonight
A 40 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 54. East northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 65. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 41. South wind 5 to 7 mph becoming north northwest after midnight.
Saturday
Mostly sunny, with a high near 63. North wind 5 to 8 mph becoming south in the afternoon.
Saturday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Partly cloudy, with a low around 33. North northeast wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of rain and snow showers. Cloudy, with a high near 46. East northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain and snow showers likely. Cloudy, with a low around 30. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers. Cloudy, with a high near 42. East northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Cloudy, with a low around 30. East northeast wind around 7 mph.
Tuesday
A chance of showers. Cloudy, with a high near 47. East wind around 7 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
12:22 pm CST Feb 25, 2026
12pm CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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