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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 36. North wind around 8 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. North northeast wind 5 to 8 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. North northeast wind 5 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. South wind around 7 mph becoming west after midnight.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. North northwest wind 3 to 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38. Light and variable wind becoming east southeast around 6 mph.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 36. North wind around 8 mph.
Tonight
Mostly cloudy, with a low around 21. North northeast wind 5 to 8 mph.
Wednesday
Partly sunny, with a high near 30. North northeast wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 12. Light and variable wind.
Thursday
Partly sunny, with a high near 34. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 29. South wind around 7 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 48. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 24. North northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 38. Light and variable wind becoming east southeast around 6 mph.
Saturday Night
Mostly cloudy, with a low around 27. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 44. Southeast wind around 6 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 24. Light northeast wind.
Monday
Mostly sunny, with a high near 46. Calm wind becoming east southeast around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
3:16 pm CST Feb 3, 2026
Forecast Valid:
3pm CST Feb 3, 2026-6pm CST Feb 9, 2026
 
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