Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

50°F

10°C

Humidity 44%
Wind Speed W 16 G 25 mph
Barometer 30.05 in (1018.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Jan 12:56 pm CST
Extended Forecast for

5 Miles SW Mount Vernon IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 47. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. West southwest wind 5 to 7 mph becoming northwest after midnight.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Light west northwest wind.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12. Light west northwest wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 21 mph.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 18. North wind around 14 mph, with gusts as high as 23 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after midnight.  Cloudy, with a low around 3. North northeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Cloudy then
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers likely, mainly after noon.  Cloudy, with a high near 15. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 15 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow showers.  Cloudy, with a low around 9. Northeast wind 7 to 10 mph.

    Low: 9 °F

    Snow Showers

  • Sunday

    Sunday: A chance of snow showers, mainly before noon.  Mostly cloudy, with a high near 20. North wind 7 to 10 mph.

    High: 20 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 47. West wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 23. West southwest wind 5 to 7 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 39. Light west northwest wind.
Thursday Night
Mostly cloudy, with a low around 12. Light west northwest wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 21 mph.
Friday
Mostly cloudy, with a high near 18. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of snow showers after midnight. Cloudy, with a low around 3. North northeast wind around 11 mph, with gusts as high as 21 mph.
Saturday
Snow showers likely, mainly after noon. Cloudy, with a high near 15. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
Snow showers. Cloudy, with a low around 9. Northeast wind 7 to 10 mph.
Sunday
A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 20. North wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 5. Northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 22. West northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 7. West southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 32. South southwest wind 5 to 8 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon IL
 38.27°N 88.97°W
11:06 am CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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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