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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

60°F

16°C

Humidity 52%
Wind Speed SW 13 mph
Barometer 30.05 in (1018.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 16 Feb 2:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. South wind 5 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41. South wind 5 to 7 mph.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 56 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 70. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before midnight. Mostly clear, with a low around 40. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 62. South wind 5 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41. South wind 5 to 7 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 72. Southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. South wind around 6 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 70. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers before midnight. Mostly clear, with a low around 40. West wind around 11 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 33. Northwest wind 3 to 5 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 49. North northwest wind 3 to 8 mph.
Saturday Night
A chance of showers. Partly cloudy, with a low around 29. North northwest wind around 6 mph.
Sunday
Sunny, with a high near 42. Northwest wind 6 to 10 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:
3:21 pm CST Feb 16, 2026
Forecast Valid:
3pm CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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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