Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
41°F
5°C
| Humidity | 65% |
| Wind Speed | SW 7 mph |
| Barometer | 29.68 in (1005.6 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 25 Feb 3:56 am CST |
Extended Forecast for
Mount Vernon IL
Today
High: 52 °F
Mostly Cloudy
Tonight
Low: 35 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 52 °F
Mostly Sunny
Thursday Night
Low: 33 °F
Mostly Clear
Friday
High: 64 °F
Sunny
Friday Night
Low: 42 °F
Mostly Clear
Saturday
High: 63 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Partly Cloudy
then Slight
Chance
ShowersSunday
High: 49 °F
Chance
Showers
Detailed Forecast
Today
Mostly cloudy, with a high near 52. Calm wind becoming north northwest around 5 mph.
Tonight
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 35. Calm wind becoming northeast around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 52. East northeast wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 33. Calm wind.
Friday
Sunny, with a high near 64. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 42. South southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph becoming east in the afternoon.
Saturday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 34. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 49. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Cloudy, with a low around 34. East northeast wind around 9 mph, with gusts as high as 18 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 45. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 32. Northeast wind around 7 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 49. East northeast wind 6 to 8 mph becoming west in the afternoon.
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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
12:46 am CST Feb 25, 2026
4am CST Feb 25, 2026-6pm CST Mar 3, 2026
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