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

Cold Weather Advisory January 31, 06:08am until January 31, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 31, 06:08am until January 31, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 19 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Northwest wind 3 to 6 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. South southwest wind 3 to 6 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West southwest wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers, mainly after noon. Cloudy, with a high near 35. Calm wind becoming east northeast around 6 mph in the morning.

    High: 35 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before midnight. Mostly cloudy, with a low around 18. North wind around 6 mph.

    Low: 18 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 19. Wind chill values as low as -8. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 1. Northwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 17. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 37. West southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 24. Calm wind.
Tuesday
A 30 percent chance of snow showers, mainly after noon. Cloudy, with a high near 35. Calm wind becoming east northeast around 6 mph in the morning.
Tuesday Night
A slight chance of snow showers before midnight. Mostly cloudy, with a low around 18. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 30. North wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 9. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 32. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 21. South southwest wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 41. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
4:31 am CST Jan 31, 2026
Forecast Valid:
6am CST Jan 31, 2026-6pm CST Feb 6, 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