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.

Freezing Fog

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.19 in (1023.1 mb)
Dewpoint 27°F (-3°C)
Visibility 0.25 mi
Last update 8 Nov 5:56 am CST
Extended Forecast for

5 Miles SW Mount Vernon IL

Freeze Warning November 8, 07:00am until November 8, 08:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning November 8, 07:00am until November 8, 08:00am

    NOW until 8:00am Sun

    Freeze Warning

  • Today

    High: 64 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 65. Light south wind.

    High: 65 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers after noon. Partly sunny, with a high near 68. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 39. North wind 6 to 10 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming west southwest 5 to 9 mph in the morning.
Tonight
Patchy fog after 10pm. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Light and variable wind.
Monday
Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 65. Light south wind.
Monday Night
Clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Veterans Day
A 30 percent chance of showers after noon. Partly sunny, with a high near 68. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 39. North wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 55. North wind 10 to 17 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 31. North northwest wind 8 to 13 mph becoming light north.
Friday
Sunny, with a high near 51. North northwest wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 30. Calm wind.
Saturday
Sunny, with a high near 56. Calm wind becoming west northwest 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon IL
 38.27°N 88.97°W
Last Update:
5:01 am CST Nov 8, 2026
Forecast Valid:
7am CST Nov 8, 2026-6pm CST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation