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

  • Overnight

    Overnight: Mostly clear, with a low around 22. North northeast wind around 6 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46. South wind 5 to 8 mph.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Light southeast wind.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after noon. Mostly cloudy, with a high near 64. South southwest wind 6 to 8 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 42. South southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 22. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 33. Northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Partly sunny, with a high near 46. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 29. Light southeast wind.
Monday
Sunny, with a high near 55. Light and variable wind.
Monday Night
Partly cloudy, with a low around 39. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
A slight chance of showers after noon. Mostly cloudy, with a high near 64. South southwest wind 6 to 8 mph.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 42. South southwest wind 6 to 8 mph becoming northwest after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 51. North northwest wind 7 to 10 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 31. North northeast wind around 6 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 46. North wind 5 to 7 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 30. North northeast wind 3 to 6 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 45. North northeast wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.33°N 88.91°W
Last Update:
12:22 am CST Feb 7, 2026
Forecast Valid:
2am CST Feb 7, 2026-6pm CST Feb 13, 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