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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

Cold Weather Advisory until January 24, 01:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until January 24, 01:00pm

    NOW until 1:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after 11am. High near 13. Wind chill values as low as -8. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow Likely
    then Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 11. Wind chill values as low as zero. North northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. High near 15. Wind chill values as low as -1. North wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    High: 15 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 0. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 12. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 12 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -1. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 18 mph.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 25. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 25 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Wind chill values as low as -9. Northeast wind around 9 mph, with gusts as high as 18 mph.
Saturday
Snow, mainly after 11am. High near 13. Wind chill values as low as -8. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 11. Wind chill values as low as zero. North northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 15. Wind chill values as low as -1. North wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 0. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 12. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around -1. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 25. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 5. Light northwest wind.
Wednesday
Partly sunny, with a high near 21. Calm wind becoming west around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 3. Northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 16. Northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 2. North northwest wind 3 to 5 mph.
Friday
Partly sunny, with a high near 17. Northwest wind around 6 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:
10:31 pm CST Jan 23, 2026
Forecast Valid:
11pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
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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