Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

63°F

17°C

Humidity 81%
Wind Speed W 10 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 12:56 pm CST
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm.  Mostly cloudy, with a high near 67. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. West northwest wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind around 6 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Mostly clear, with a low around 61. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 60. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 60 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  Cloudy, with a high near 71. South southwest wind around 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 71 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm. Mostly cloudy, with a high near 67. West northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, with a low around 38. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 44. South southwest wind around 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 61. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 60. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 71. South southwest wind around 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 33. Northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 53. West northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 40. Light west southwest wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 65. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
12:51 pm CST Mar 7, 2026
1pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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