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

22°F

-6°C

Humidity 38%
Wind Speed W 10 G 16 mph
Barometer 30.40 in (1030.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 19 Jan 1:56 pm CST
Extended Forecast for

Mount Vernon IL

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 20. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 20 °F

    Sunny

  • Tonight

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

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 27. South wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Light and variable wind becoming west southwest around 6 mph in the evening.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 20. North wind 9 to 11 mph.

    High: 20 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 20. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 10. Light and variable wind.
Tuesday
Sunny, with a high near 35. Light south southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 27. South wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 47. West wind 6 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 24. Light and variable wind becoming west southwest around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 13. Calm wind becoming north 5 to 8 mph after midnight.
Friday
Mostly cloudy, with a high near 20. North wind 9 to 11 mph.
Friday Night
A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 15. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 5. North wind around 7 mph.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 23. North wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
1:06 pm CST Jan 19, 2026
Forecast Valid:
2pm CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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