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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

59°F

15°C

Humidity 60%
Wind Speed Vrbl 6 mph
Barometer 29.82 in (1010.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Nov 7:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: Cloudy during the early evening, then clearing, with a low around 40. North northwest wind 6 to 14 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Clearing

  • Thursday

    Thursday: A slight chance of showers between 11am and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. North northwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. North northwest wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. Light north northwest wind.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy during the early evening, then clearing, with a low around 40. North northwest wind 6 to 14 mph, with gusts as high as 28 mph.
Thursday
A slight chance of showers between 11am and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 30. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 46. North northwest wind 8 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 25. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 48. Light north northwest wind.
Saturday Night
Mostly clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 51. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 28. Calm wind.
Monday
Sunny, with a high near 52. Calm wind becoming east around 6 mph.
Monday Night
Mostly clear, with a low around 27. Calm wind.
Tuesday
Sunny, with a high near 53. Calm wind becoming east around 5 mph.
Tuesday Night
Clear, with a low around 28. Calm wind.
Wednesday
Sunny, with a high near 58. Calm wind becoming southeast around 6 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:
7:06 pm CST Nov 11, 2026
Forecast Valid:
8pm CST Nov 11, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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