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 93%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 10:56 pm CDT
Extended Forecast for

2 Miles W Mount Vernon IL

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light southeast wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 59. Southeast wind 3 to 5 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of showers after 5pm. Cloudy, with a high near 77. Light east wind becoming east northeast 8 to 13 mph in the morning.

    High: 77 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 58. East northeast wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 79. Northwest wind 5 to 9 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Light southwest wind increasing to 8 to 13 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind 6 to 10 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 89. Light southeast wind becoming south southeast 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 59. Southeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers after 5pm. Cloudy, with a high near 77. Light east wind becoming east northeast 8 to 13 mph in the morning.
Saturday Night
Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 58. East northeast wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 79. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 57. Calm wind.
Columbus Day
Sunny, with a high near 90. Light southwest wind increasing to 8 to 13 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. South wind 6 to 10 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 5 to 11 mph.
Tuesday Night
Mostly clear, with a low around 61. Southwest wind 5 to 9 mph becoming east northeast after midnight.
Wednesday
A chance of showers. Mostly sunny, with a high near 83. East wind 6 to 11 mph becoming south southeast in the afternoon.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 62. South southeast wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southwest wind 8 to 15 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mount Vernon IL
 38.31°N 88.94°W
Last Update:
10:36 pm CDT Oct 8, 2026
Forecast Valid:
11pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation