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

30°F

-1°C

Humidity 82%
Wind Speed NE 12 G 18 mph
Barometer 30.33 in (1027.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 1 Mar 7:56 am CST
Extended Forecast for

2 Miles E Mount Vernon IL

  • Today

    Today: Increasing clouds, with a high near 49. Northeast wind 8 to 10 mph.

    High: 49 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Rain and snow showers, becoming all rain after 3am. Low around 34. East northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Monday

    Monday: Showers likely, mainly before noon. Cloudy, with a high near 46. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Cloudy, with a low around 41. Calm wind becoming south southeast 5 to 7 mph after midnight. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers. Cloudy, with a high near 68. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 70. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. South southwest wind around 8 mph.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 69. South southwest wind 7 to 10 mph.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 49. Northeast wind 8 to 10 mph.
Tonight
Rain and snow showers, becoming all rain after 3am. Low around 34. East northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Showers likely, mainly before noon. Cloudy, with a high near 46. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 41. Calm wind becoming south southeast 5 to 7 mph after midnight. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Cloudy, with a high near 68. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 70. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. South southwest wind around 8 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 69. South southwest wind 7 to 10 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 56. South wind around 7 mph.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Showers likely. Cloudy, with a high near 66. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Mount Vernon IL
 38.31°N 88.86°W
Last Update:
7:56 am CST Mar 1, 2026
Forecast Valid:
9am CST Mar 1, 2026-6pm CST Mar 7, 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