Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

26°F

-3°C

Humidity 63%
Wind Speed W 12 G 24 mph
Barometer 30.10 in (1020.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 16 Mar 7:56 pm CDT
Extended Forecast for

9 Miles WSW Johnsonville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. Northwest wind 6 to 10 mph.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers, mainly after 1am.  Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

    Low: 29 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. South southwest wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. South wind around 6 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. South wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. Southwest wind 3 to 7 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 7 mph.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 34. Northwest wind 6 to 10 mph.
Tuesday Night
A 40 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 69. South wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 45. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 74. Southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 51. Southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 75. West southwest wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 49. Southwest wind around 7 mph.
Sunday
Sunny, with a high near 70. West wind 7 to 11 mph becoming north northwest in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 40. North wind around 9 mph.
Monday
Mostly sunny, with a high near 54. Northeast wind around 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Johnsonville IL
 38.48°N 88.68°W
1:57 pm CDT Mar 16, 2026
8pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database