Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

26°F

-3°C

Humidity 51%
Wind Speed NE 10 mph
Barometer 30.26 in (1025.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 29 Jan 2:56 pm CST
Extended Forecast for

Mount Vernon IL

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

    This Afternoon: Mostly cloudy, with a high near 29. Northeast wind around 6 mph.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before midnight, then a chance of flurries between midnight and 2am.  Mostly cloudy, with a low around 7. Light north northeast wind.  Chance of precipitation is 20%.

    Low: 7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 19. Wind chill values as low as -3. North wind 5 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -9. North wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. South wind 3 to 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. West northwest wind 3 to 7 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 29. Northeast wind around 6 mph.
Tonight
A chance of flurries with a slight chance of snow before midnight, then a chance of flurries between midnight and 2am. Mostly cloudy, with a low around 7. Light north northeast wind. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 19. Wind chill values as low as -3. North wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -9. North wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 16. South wind 3 to 5 mph.
Monday
Partly sunny, with a high near 34. West northwest wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 19. Calm wind.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 35. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. South wind around 5 mph becoming light and variable.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 34. North northwest wind 5 to 7 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
3:22 pm CST Jan 29, 2026
3pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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