Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

65°F

18°C

Humidity 84%
Wind Speed S 9 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 3 Nov 6:56 am CST
Extended Forecast for

Mount Vernon IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly cloudy, with a high near 79. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 34 mph.

    High: 79 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am.  Low around 56. South wind 8 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%.

    Low: 56 °F

    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers between 7am and 9am.  Partly sunny, with a high near 68. West southwest wind 6 to 13 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Light west southwest wind.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. Light northwest wind increasing to 5 to 10 mph in the morning.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Calm wind becoming north northwest 5 to 7 mph.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 34 mph.
Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Low around 56. South wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Wednesday
A slight chance of showers between 7am and 9am. Partly sunny, with a high near 68. West southwest wind 6 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 45. Light west southwest wind.
Thursday
Sunny, with a high near 70. Light southwest wind increasing to 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 46. Light and variable wind.
Friday
Partly sunny, with a high near 63. Light northwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 42. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 61. Calm wind becoming north northwest 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 38. Calm wind.
Sunday
Mostly sunny, with a high near 61. Light west northwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Calm wind becoming west 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
6:41 am CST Nov 3, 2026
7am CST Nov 3, 2026-6pm CST Nov 9, 2026
 
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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