Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

76°F

24°C

Humidity 47%
Wind Speed S 16 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Apr 3:56 pm CDT
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm.  Mostly cloudy, with a high near 82. South southwest wind around 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 10pm.  Mostly cloudy, with a low around 65. South southwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 81. South southwest wind 8 to 11 mph.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Mostly cloudy, with a high near 82. South southwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 65. South southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 68. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 84. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South southwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 62. South southwest wind 3 to 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 11 to 15 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
2:02 pm CDT Apr 12, 2026
4pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
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Additional Resources

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