Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

46°F

8°C

Humidity 44%
Wind Speed Vrbl 5 mph
Barometer 30.67 in (1039.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Mar 10:56 am CDT
Extended Forecast for

Mount Vernon IL

  • Today

    Today: Sunny, with a high near 55. Southeast wind around 6 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Southeast wind 3 to 5 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 67. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 26 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph.

    High: 82 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 50. South southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 60. North wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 55. Southeast wind around 6 mph.
Tonight
Increasing clouds, with a low around 38. Southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 67. South wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 78. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. North wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 42. Northeast wind around 10 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 57. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45. East wind around 8 mph.
Friday
A chance of showers. Partly sunny, with a high near 69. East wind 7 to 10 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
9:26 am CDT Mar 28, 2026
11am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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