Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Snow
15°F
-9°C
| Humidity | 70% |
| Wind Speed | NE 6 mph |
| Barometer | 30.34 in (1028.5 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 8.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 30 Jan 12:56 am CST |
Extended Forecast for
Mount Vernon IL
Cold Weather Advisory January 31, 12:00am until January 31, 12:00pm
Overnight

Low: 6 °F
Slight Chance
SnowFriday

High: 18 °F
Chance
FlurriesFriday Night

Low: 7 °F
Chance
FlurriesSaturday

High: 19 °F
Partly Sunny
Saturday Night

Low: 0 °F
Mostly Clear
Sunday

High: 27 °F
Sunny
Sunday Night

Low: 17 °F
Mostly Cloudy
Monday

High: 35 °F
Partly Sunny
Monday Night

Low: 22 °F
Mostly Cloudy
Detailed Forecast
Overnight
A slight chance of snow before 2am, then a chance of flurries between 2am and 3am. Mostly cloudy, with a low around 6. Wind chill values as low as -2. North northeast wind around 7 mph. Chance of precipitation is 20%.
Friday
A chance of flurries after noon. Partly sunny, with a high near 18. Wind chill values as low as -4. North wind 5 to 9 mph.
Friday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -5. North wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 19. Wind chill values as low as -6. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 27. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 17. South southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 35. West wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 22. Light and variable wind.
Tuesday
A chance of rain after noon. Cloudy, with a high near 38. Southeast wind 3 to 6 mph.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 27. Light and variable wind becoming north northwest around 6 mph after midnight.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North northwest wind around 6 mph.
Thursday
Partly sunny, with a high near 33. West northwest wind around 6 mph becoming light and variable in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
12:51 am CST Jan 30, 2026
1am CST Jan 30, 2026-6pm CST Feb 5, 2026



