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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

Extreme Cold Warning January 26, 02:12am until January 27, 10:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 02:12am until January 27, 10:00am

    NOW until 10:00am Tue

    Extreme Cold Warning

  • Overnight

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 12. Wind chill values as low as -20. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 12 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 10 by 5am. Wind chill values as low as -13. Light southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

    Low: 3 °F⇑

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Wind chill values as low as -5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -5. Northwest wind around 5 mph becoming calm in the evening.

    Low: -5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Calm wind becoming west southwest 5 to 7 mph.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 19. Calm wind becoming north around 5 mph.

    High: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -5. Wind chill values as low as -15. West northwest wind around 8 mph.
Monday
Sunny, with a high near 12. Wind chill values as low as -20. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a temperature rising to around 10 by 5am. Wind chill values as low as -13. Light southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values as low as -5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around -5. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 25. Calm wind becoming west southwest 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 3. Calm wind.
Thursday
Mostly cloudy, with a high near 19. Calm wind becoming north around 5 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Mostly sunny, with a high near 17. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around -3. Light north northwest wind.
Saturday
Mostly sunny, with a high near 20. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 4. Light southwest wind.
Sunday
Partly sunny, with a high near 27. South southwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
1:01 am CST Jan 26, 2026
Forecast Valid:
2am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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