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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

74°F

23°C

Humidity 69%
Wind Speed S 7 mph
Barometer 29.92 in (1013.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Apr 6:56 pm CDT
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: Clear, then becoming mostly cloudy toward daybreak, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 84. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    Low: 53 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. West northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 39. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South wind 5 to 8 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, then becoming mostly cloudy toward daybreak, with a low around 59. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 84. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. West northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. West northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 71. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 52. South wind 5 to 8 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 76. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 6 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
7:11 pm CDT Apr 16, 2026
Forecast Valid:
7pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation