Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

69°F

21°C

Humidity 81%
Wind Speed S 15 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 10:56 pm CDT
Extended Forecast for

9 Miles WSW Johnsonville IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a steady temperature around 67. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 80. South southwest wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 60. South wind 9 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely.  High near 68. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 6 to 11 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. North wind 5 to 7 mph.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a steady temperature around 67. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 80. South southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 39. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57. Northwest wind 6 to 11 mph.
Sunday Night
Clear, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light west wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 35. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 54. North northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 35. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 65. South wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 49. South wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 72. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Johnsonville IL
 38.48°N 88.68°W
10:51 pm CDT Apr 2, 2026
11pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
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Additional Resources

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