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.

Fair

63°F

17°C

Humidity 52%
Wind Speed Calm
Barometer 29.81 in (1009.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 8 Nov 3:56 pm CST
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 62. Light east southeast wind.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of rain between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 39. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of sprinkles before noon. Partly sunny, with a temperature rising to near 41 by 11am, then falling to around 36 during the remainder of the day. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 28 mph.

    High: 41 °F⇓

    Chance
    Sprinkles and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. West northwest wind 5 to 7 mph becoming light and variable.

    Low: 22 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 50. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 28 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. West southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 62. Light east southeast wind.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of rain between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 39. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Sunday
A chance of sprinkles before noon. Partly sunny, with a temperature rising to near 41 by 11am, then falling to around 36 during the remainder of the day. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 24. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 22. West northwest wind 5 to 7 mph becoming light and variable.
Veterans Day
Partly sunny, with a high near 50. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 39. West southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 63. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 69. South southwest wind 6 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.33°N 88.91°W
Last Update:
3:06 pm CST Nov 8, 2025
Forecast Valid:
4pm CST Nov 8, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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