Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Mostly Cloudy and Breezy

N/A

Humidity NA
Wind Speed SW 22 G 26 mph
Barometer 29.68 in
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Dec 12:56 am CST
Extended Forecast for

Mount Vernon IL

  • Overnight

    Overnight: A slight chance of rain between 2am and 5am.  Cloudy, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 44 by 8am, then falling to around 36 during the remainder of the day. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.

    High: 44 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Northwest wind around 6 mph becoming south in the afternoon.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 33. South southeast wind 5 to 7 mph.

    Low: 33 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. North northwest wind 5 to 8 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 34. North wind around 6 mph.

    High: 34 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. North wind 5 to 8 mph.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain between 2am and 5am. Cloudy, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a temperature rising to near 44 by 8am, then falling to around 36 during the remainder of the day. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 38. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 33. South southeast wind 5 to 7 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 20. North northwest wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 34. North wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 9. North wind 5 to 8 mph.
Sunday
Sunny, with a high near 23. North wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 11. North northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 36. South wind 3 to 8 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 26. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 44. South wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
1:31 am CST Dec 10, 2025
1am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database