Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

24°F

-4°C

Humidity 57%
Wind Speed S 9 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Jan 12:56 pm CST
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Southwest wind 8 to 15 mph becoming west northwest in the evening. Winds could gust as high as 26 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 20. Wind chill values as low as -5. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 20 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Light and variable wind.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. South wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before noon.  Partly sunny, with a high near 46. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West northwest wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 34. West northwest wind 3 to 8 mph.

    High: 34 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Southwest wind 8 to 15 mph becoming west northwest in the evening. Winds could gust as high as 26 mph.
M.L.King Day
Increasing clouds, with a high near 20. Wind chill values as low as -5. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 10. Light and variable wind.
Tuesday
Mostly sunny, with a high near 35. Light south southwest wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 26. South wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of rain and snow showers before noon. Partly sunny, with a high near 46. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 22. West northwest wind around 6 mph.
Thursday
Sunny, with a high near 34. West northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 39. South southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. North northeast wind 7 to 10 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. North northeast wind around 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
12:36 pm CST Jan 18, 2026
1pm CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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