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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

61°F

16°C

Humidity 39%
Wind Speed W 15 G 22 mph
Barometer 29.94 in (1014.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Mar 1:56 pm CDT
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 62. West wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. West northwest wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. East wind 6 to 11 mph becoming south southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 52. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 60%.

    High: 70 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 30 °F

    Chance Snow
    Showers and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. West northwest wind 7 to 9 mph.

    High: 36 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 62. West wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 36. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 63. East wind 6 to 11 mph becoming south southeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 52. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%.
Monday
A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 13. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 36. West northwest wind 7 to 9 mph.
Tuesday Night
A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 27. Light south southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 57. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 39. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 66. West wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
1:26 pm CDT Mar 13, 2026
Forecast Valid:
2pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation