Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.32°F
0°C
| Humidity | 54% |
| Wind Speed | SE 5 mph |
| Barometer | 30.23 in (1024.7 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 17 Mar 11:56 pm CDT |
Extended Forecast for
Mount Vernon IL
Overnight
Low: 32 °F
Chance Snow
ShowersWednesday
High: 61 °F
Slight Chance
Snow Showers
then SunnyWednesday Night
Low: 42 °F
Increasing
CloudsThursday
High: 71 °F
Decreasing
CloudsThursday Night
Low: 48 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Detailed Forecast
Overnight
A 30 percent chance of snow showers, mainly between 3am and 5am. Mostly cloudy, with a steady temperature around 32. Light southeast wind becoming south southeast 5 to 10 mph. Winds could gust as high as 20 mph.
Wednesday
A 10 percent chance of snow showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 61. South wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Increasing clouds, with a low around 42. South wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind becoming south around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 53. Southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 77. West wind 3 to 6 mph.
Saturday Night
Clear, with a low around 55. South southwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 79. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 39. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 54. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 35. East northeast wind 6 to 8 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 58. East wind 6 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
12:21 am CDT Mar 18, 2026
12am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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