Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
26°F
-3°C
| Humidity | 92% |
| Wind Speed | SW 5 mph |
| Barometer | 30.19 in (1023.1 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 9.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 21 Jan 10:56 pm CST |
Extended Forecast for
Mount Vernon IL
Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Tonight

Low: 23 °F
Increasing
CloudsThursday

High: 38 °F
Decreasing
CloudsThursday Night

Low: 14 °F
Partly Cloudy
Friday

High: 18 °F
Mostly Cloudy
Friday Night

Low: 5 °F
Mostly Cloudy
Saturday
High: 15 °F
Chance Snow
then SnowSaturday Night

Low: 11 °F
Snow
Sunday

High: 18 °F
Chance Snow
Sunday Night

Low: 3 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. West northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 14. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy, with a high near 18. Wind chill values as low as -2. North wind 11 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after noon. High near 15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Snow. Low around 11. North wind around 8 mph. Chance of precipitation is 90%.
Sunday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 18. North wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 3. Northwest wind around 6 mph.
Monday
Sunny, with a high near 19. West northwest wind around 7 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 7. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 31. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 31. West wind 5 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
10:41 pm CST Jan 21, 2026
11pm CST Jan 21, 2026-6pm CST Jan 28, 2026



