Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

52°F

11°C

Humidity 45%
Wind Speed Vrbl 3 mph
Barometer 30.30 in (1026.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 6 Apr 9:56 pm CDT
Extended Forecast for

9 Miles WSW Johnsonville IL

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Increasing clouds, with a low around 38. North northeast wind around 7 mph.

    Low: 38 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. East wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 6 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 74. South southwest wind 6 to 9 mph.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Light and variable wind becoming northeast around 5 mph after midnight.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 38. North northeast wind around 7 mph.
Tuesday
Partly sunny, with a high near 54. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 37. East wind around 6 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 73. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 54. South wind around 6 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 74. South southwest wind 6 to 9 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light and variable wind becoming northeast around 5 mph after midnight.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 75. East northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 11 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Johnsonville IL
 38.48°N 88.68°W
9:16 pm CDT Apr 6, 2026
10pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
 
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