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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

45°F

7°C

Humidity 86%
Wind Speed Calm
Barometer 30.13 in (1020.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Nov 8:56 am CDT
Extended Forecast for

3 Miles SSE Mount Vernon IL

Freeze Watch November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Watch

  • Today

    Today: A 30 percent chance of showers, mainly between 2pm and 5pm. Mostly cloudy, with a high near 55. Calm wind becoming west around 6 mph in the afternoon.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Patchy frost after midnight. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 32. Calm wind.

    Low: 32 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 34. Light southwest wind.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 6 to 10 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. South wind 6 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. West wind 9 to 13 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 2pm and 5pm. Mostly cloudy, with a high near 55. Calm wind becoming west around 6 mph in the afternoon.
Tonight
A 10 percent chance of showers before 7pm. Patchy frost after midnight. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 32. Calm wind.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 34. Light southwest wind.
Monday
Sunny, with a high near 64. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 36. Light and variable wind.
Tuesday
Mostly sunny, with a high near 67. Light south southeast wind becoming south 6 to 11 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 47. South wind 6 to 8 mph.
Wednesday
Sunny, with a high near 70. West wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 41. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 8 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 49. South wind 6 to 9 mph.
Friday
A chance of showers. Partly sunny, with a high near 67. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mount Vernon IL
 38.29°N 88.89°W
Last Update:
8:06 am CDT Nov 1, 2025
Forecast Valid:
9am CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation