Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Partly Cloudy
45°F
7°C
| Humidity | 52% |
| Wind Speed | SW 16 G 24 mph |
| Barometer | 29.71 in (1006.7 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 24 Feb 10:56 pm CST |
Extended Forecast for
Mount Vernon IL
Tonight

Low: 36 °F
Mostly Cloudy
Wednesday

High: 53 °F
Mostly Cloudy
Wednesday Night
Low: 36 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 51 °F
Chance
Showers then
Partly SunnyThursday Night

Low: 34 °F
Mostly Clear
Friday

High: 62 °F
Sunny
Friday Night

Low: 40 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Saturday Night

Low: 34 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 36. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 53. Calm wind becoming north northwest around 5 mph.
Wednesday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Calm wind becoming northeast around 6 mph after midnight.
Thursday
A chance of showers between 9am and noon. Partly sunny, with a high near 51. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 34. Light and variable wind.
Friday
Sunny, with a high near 62. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 67. South southeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers after noon. Partly sunny, with a high near 49. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 35. East northeast wind around 9 mph, with gusts as high as 18 mph.
Monday
A slight chance of showers. Mostly cloudy, with a high near 52. East southeast wind 8 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 36. East wind around 7 mph becoming north northeast after midnight.
Tuesday
A chance of showers. Mostly cloudy, with a high near 55. North northeast wind 6 to 8 mph becoming west southwest 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
9:52 pm CST Feb 24, 2026
11pm CST Feb 24, 2026-6pm CST Mar 3, 2026



