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.

Mostly Cloudy

N/A

Humidity NA
Wind Speed SW 8 mph
Barometer 29.83 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Nov 2:56 pm CST
Extended Forecast for

5 Miles E Mount Vernon IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 63. South southwest wind 5 to 8 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 58. Light north northeast wind.

    High: 58 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 3pm. High near 60. Calm wind becoming south southeast 5 to 7 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after midnight. Low around 53. Light and variable wind. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Friday

    Friday: Showers. High near 61. Light northeast wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. North northeast wind around 6 mph.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: A slight chance of showers before noon. Partly sunny, with a high near 60. North northeast wind 3 to 7 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 63. South southwest wind 5 to 8 mph.
Tonight
A 20 percent chance of showers before 7pm. Increasing clouds, with a low around 47. Calm wind.
Wednesday
Cloudy, with a high near 58. Light north northeast wind.
Wednesday Night
Mostly cloudy, with a low around 46. Calm wind.
Thursday
Showers, with thunderstorms also possible after 3pm. High near 60. Calm wind becoming south southeast 5 to 7 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 53. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. High near 61. Light northeast wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. North northeast wind around 6 mph.
Saturday
A slight chance of showers before noon. Partly sunny, with a high near 60. North northeast wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 40. Calm wind.
Sunday
Sunny, with a high near 62. Calm wind becoming west around 6 mph.
Sunday Night
Partly cloudy, with a low around 42. Calm wind.
Monday
A slight chance of showers. Partly sunny, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Mount Vernon IL
 38.33°N 88.83°W
Last Update:
2:17 pm CST Nov 18, 2025
Forecast Valid:
3pm CST Nov 18, 2025-6pm CST Nov 24, 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