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

N/A

Humidity NA
Wind Speed Calm
Barometer 30.05 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Nov 12:56 am CST
Extended Forecast for

3 Miles NW Mount Vernon IL

  • Overnight

    Overnight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Light east northeast wind becoming southeast 5 to 10 mph in the morning.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely, then showers and possibly a thunderstorm after 9pm. Low around 46. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Partly sunny, with a high near 71. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 48. East wind around 6 mph becoming light and variable in the evening.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. Light and variable wind becoming west northwest around 6 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind becoming southeast around 5 mph after midnight.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Cloudy, with a high near 68. South wind 5 to 10 mph.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Mostly cloudy, with a low around 55. South wind 8 to 10 mph.

    Low: 55 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Calm wind.
Monday
Sunny, with a high near 61. Light east northeast wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Showers likely, then showers and possibly a thunderstorm after 9pm. Low around 46. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.
Tuesday
Showers likely, mainly before noon. Partly sunny, with a high near 71. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 48. East wind around 6 mph becoming light and variable in the evening.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. Light and variable wind becoming west northwest around 6 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind becoming southeast around 5 mph after midnight.
Thursday
Showers and possibly a thunderstorm. Cloudy, with a high near 68. South wind 5 to 10 mph.
Thursday Night
Showers. Mostly cloudy, with a low around 55. South wind 8 to 10 mph.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 68. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. West wind 5 to 8 mph.
Saturday
A slight chance of showers. Partly sunny, with a high near 58. West wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 39. Light west wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 58. West southwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mount Vernon IL
 38.36°N 88.97°W
Last Update:
10:31 pm CST Nov 16, 2025
Forecast Valid:
1am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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