National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

50°F

10°C

Humidity 59%
Wind Speed Calm
Barometer 30.14 in (1021.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Nov 10:56 pm CST
Extended Forecast for

3 Miles NW Mount Vernon IL

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 47 by 5am. South wind 3 to 6 mph.

    Low: 43 °F⇑

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 6 to 10 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. West southwest wind 6 to 10 mph becoming north northwest after midnight.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 5 to 8 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon. Mostly sunny, with a high near 59. Light east wind becoming east southeast 5 to 9 mph in the morning.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 45. East wind 6 to 8 mph.

    Low: 45 °F

    Showers
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a temperature rising to around 47 by 5am. South wind 3 to 6 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 57. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 44. West southwest wind 6 to 10 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 61. Northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 36. Light and variable wind.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 59. Light east wind becoming east southeast 5 to 9 mph in the morning.
Monday Night
Showers likely. Mostly cloudy, with a low around 45. East wind 6 to 8 mph.
Tuesday
A chance of showers, mainly before noon. Partly sunny, with a high near 63. Northeast wind 7 to 10 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind around 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 60. East wind 6 to 8 mph becoming south southeast in the afternoon.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. South southeast wind 6 to 8 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 62. South southeast wind 8 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mount Vernon IL
 38.36°N 88.97°W
Last Update:
9:51 pm CST Nov 13, 2025
Forecast Valid:
11pm CST Nov 13, 2025-6pm CST Nov 20, 2025
 
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Additional Resources

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Chance of Precipitation