National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 30.47 in
Dewpoint N/A
Visibility 10.00 mi
Last update 28 Nov 11:56 am CST
Extended Forecast for

4 Miles ENE Mount Vernon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain showers between 1am and 3am, then a chance of snow showers. Increasing clouds, with a low around 28. Calm wind becoming southeast 5 to 8 mph after midnight. Chance of precipitation is 50%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Rain and snow, possibly mixed with sleet before 3pm, then rain, possibly mixed with snow. High near 38. Southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 38 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Rain, mainly before midnight. Low around 26. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Rain then
    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. West northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31. East northeast wind 3 to 6 mph.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 20. Light north northeast wind.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Light and variable wind.
Tonight
A slight chance of rain showers between 1am and 3am, then a chance of snow showers. Increasing clouds, with a low around 28. Calm wind becoming southeast 5 to 8 mph after midnight. Chance of precipitation is 50%.
Saturday
Rain and snow, possibly mixed with sleet before 3pm, then rain, possibly mixed with snow. High near 38. Southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Saturday Night
Rain, mainly before midnight. Low around 26. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy, with a high near 32. West northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 18. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Mostly cloudy, with a high near 31. East northeast wind 3 to 6 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 20. Light north northeast wind.
Tuesday
Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 17. Light and variable wind.
Wednesday
Mostly sunny, with a high near 39. South southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Light and variable wind becoming west northwest around 6 mph after midnight.
Thursday
Partly sunny, with a high near 35. Northwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mount Vernon IL
 38.33°N 88.83°W
Last Update:
10:26 am CST Nov 28, 2025
Forecast Valid:
12pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation