Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast with Haze

N/A

Humidity NA
Wind Speed S 8 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 6.00 mi
Last update 6 Dec 11:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Overnight

    Overnight: A slight chance of drizzle after 4am.  Patchy fog before 2am.  Otherwise, cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of drizzle before 5pm.  Mostly cloudy, with a high near 43. Light and variable wind becoming north 6 to 11 mph in the morning.

    High: 43 °F

    Slight Chance
    Drizzle

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. North wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. North wind around 6 mph becoming calm  in the morning.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Partly sunny, with a high near 49. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers, mainly after midnight.  Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming east after midnight.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A slight chance of drizzle after 4am. Patchy fog before 2am. Otherwise, cloudy, with a low around 34. Light south wind.
Sunday
A slight chance of drizzle before 5pm. Mostly cloudy, with a high near 43. Light and variable wind becoming north 6 to 11 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 23. North wind 6 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 49. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A chance of rain and snow showers, mainly after midnight. Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming east after midnight.
Thursday
A chance of rain and snow showers, mainly before noon. Mostly cloudy, with a high near 38. East wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 20. West northwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 29. Northwest wind 8 to 11 mph.
Friday Night
Partly cloudy, with a low around 9. Northwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 25. Northwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
10:46 pm CST Dec 6, 2025
12am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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