Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair and Breezy

43°F

6°C

Humidity 53%
Wind Speed SW 21 mph
Barometer 29.71 in (1006.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Feb 6:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 30 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after midnight.  Mostly cloudy, with a low around 36. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Partly sunny, with a high near 51. East northeast wind 5 to 7 mph.

    High: 51 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South southwest wind 5 to 7 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. South southeast wind 5 to 9 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 53. Light and variable wind.
Wednesday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Calm wind becoming east northeast around 6 mph after midnight.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 51. East northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 34. Light and variable wind.
Friday
Sunny, with a high near 62. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 67. South southeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers after noon. Partly sunny, with a high near 49. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 35. East northeast wind around 9 mph, with gusts as high as 18 mph.
Monday
A slight chance of showers. Mostly cloudy, with a high near 52. East southeast wind 8 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 36. East wind around 7 mph becoming north northeast after midnight.
Tuesday
A chance of showers. Mostly cloudy, with a high near 55. North northeast wind 6 to 8 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
4:37 pm CST Feb 24, 2026
7pm CST Feb 24, 2026-6pm CST Mar 3, 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