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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Rain

N/A

Humidity NA
Wind Speed S 7 mph
Barometer 30.02 in
Dewpoint N/A
Visibility 7.00 mi
Last update 29 Nov 3:56 pm CST
Extended Forecast for

5 Miles SW Mount Vernon IL

  • This Afternoon

    This Afternoon: Rain showers before 5pm, then snow showers and sleet likely. Steady temperature around 36. Calm wind becoming southeast 5 to 7 mph. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of less than one inch possible.

    High: 36 °F

    Wintry Mix

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 11pm. Cloudy, with a low around 25. South wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.

    Low: 25 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 31. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers. Low around 22. Light and variable wind. Chance of precipitation is 80%.

    Low: 22 °F

    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Northwest wind 3 to 7 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain showers before 5pm, then snow showers and sleet likely. Steady temperature around 36. Calm wind becoming southeast 5 to 7 mph. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of less than one inch possible.
Tonight
A 50 percent chance of showers, mainly before 11pm. Cloudy, with a low around 25. South wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.
Sunday
Mostly cloudy, with a high near 31. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 21. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.
Monday Night
Snow showers. Low around 22. Light and variable wind. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 32. Northwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 17. Calm wind.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 21. Light and variable wind becoming northwest around 6 mph after midnight.
Thursday
Partly sunny, with a high near 32. North northwest wind 3 to 7 mph.
Thursday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 20. Light and variable wind.
Friday
A chance of showers. Partly sunny, with a high near 40. West wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon IL
 38.27°N 88.97°W
Last Update:
4:26 pm CST Nov 29, 2025
Forecast Valid:
4pm CST Nov 29, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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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