Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

47°F

8°C

Humidity 50%
Wind Speed NE 9 mph
Barometer 30.35 in (1028.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Apr 4:56 am CDT
Extended Forecast for

9 Miles WSW Johnsonville IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 53. East northeast wind 8 to 10 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: 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: Mostly clear, with a low around 52. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 75. South southwest wind 7 to 10 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 75. Southeast wind around 6 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 53. East northeast wind 8 to 10 mph.
Tonight
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
Mostly clear, with a low around 52. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 75. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. South wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. South southwest wind 7 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light and variable wind.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Southeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 58. East southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 81. South 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 64. South wind 10 to 13 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.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Johnsonville IL
 38.48°N 88.68°W
4:06 am CDT Apr 7, 2026
5am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database