Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
24°F
-4°C
| Humidity | 71% |
| Wind Speed | W 6 mph |
| Barometer | 30.38 in (1029.9 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 29 Dec 8:56 pm CST |
Extended Forecast for
Mount Vernon IL
Tonight

Low: 15 °F
Decreasing
CloudsTuesday

High: 34 °F
Mostly Sunny
Tuesday Night

Low: 27 °F
Mostly Clear
Wednesday

High: 41 °F
Partly Sunny
Wednesday Night

Low: 25 °F
Partly Cloudy
New Year's Day

High: 40 °F
Mostly Sunny
Thursday Night

Low: 28 °F
Mostly Cloudy
Friday

High: 46 °F
Mostly Cloudy
Friday Night

Low: 30 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 34. West northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 27. West southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 41. West northwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 25. Light and variable wind.
New Year's Day
Mostly sunny, with a high near 40. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 28. Calm wind.
Friday
Mostly cloudy, with a high near 46. Calm wind becoming east southeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 44. North wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 27. Calm wind.
Sunday
Mostly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 33. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 51. West wind 6 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
9:11 pm CST Dec 29, 2025
9pm CST Dec 29, 2025-6pm CST Jan 5, 2026



