Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.81°F
27°C
| Humidity | 35% |
| Wind Speed | SW 8 mph |
| Barometer | 29.84 in (1010.6 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 20 Mar 5:56 pm CDT |
Extended Forecast for
Mount Vernon IL
Tonight
Low: 53 °F
Partly Cloudy
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 62 °F
Mostly Clear
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 40 °F
Slight Chance
ShowersMonday
High: 57 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 59 °F
Partly Sunny
Tuesday Night
Low: 42 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 53. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. East northeast wind around 5 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 62. Calm wind becoming south southwest 5 to 8 mph after midnight.
Sunday
Mostly sunny, with a high near 84. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40. North wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 57. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 39. East wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 59. South wind around 6 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 42. Light and variable wind becoming south southeast around 5 mph after midnight.
Wednesday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 66. East northeast wind 6 to 9 mph becoming south southeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 50. South wind 6 to 9 mph.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42. West southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph.
Friday
A chance of showers. Partly sunny, with a high near 53. North wind 11 to 13 mph, with gusts as high as 21 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
5:51 pm CDT Mar 20, 2026
6pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
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