Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

85°F

29°C

Humidity 50%
Wind Speed N 6 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Jun 4:56 pm CDT
Extended Forecast for

4 Miles N Mount Vernon IL

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 5pm.  Mostly sunny during the morning, then cloudy during the afternoon, with a high near 86. Light and variable wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall.  Low around 68. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%.

    Low: 68 °F

    Heavy Rain
    then Showers
    Likely

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 79. West wind 8 to 10 mph becoming north northwest in the afternoon.  Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
Showers and thunderstorms likely, mainly before 5pm. Mostly sunny during the morning, then cloudy during the afternoon, with a high near 86. Light and variable wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 68. Southwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. West wind 8 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Light south wind becoming south southwest 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Mount Vernon IL
 38.38°N 88.91°W
4:31 pm CDT Jun 20, 2026
5pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
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Additional Resources

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