Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
45°F
7°C
| Humidity | 54% |
| Wind Speed | Calm |
| Barometer | 29.81 in (1009.8 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 10:56 pm CST |
Extended Forecast for
Mount Vernon IL
Tonight
Low: 36 °F
Chance
ShowersThursday
High: 54 °F
Mostly Sunny
Thursday Night
Low: 36 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Saturday
High: 63 °F
Mostly Sunny
Saturday Night
Low: 33 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 46 °F
Mostly Cloudy
then Chance
Rain/SnowSunday Night
Low: 30 °F
Rain/Snow
Likely
Detailed Forecast
Tonight
A 40 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 36. East northeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 54. East northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 65. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 41. South wind 5 to 7 mph becoming north northwest after midnight.
Saturday
Mostly sunny, with a high near 63. North wind 5 to 8 mph becoming south in the afternoon.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 33. North northeast wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of rain and snow showers after noon. Cloudy, with a high near 46. East northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain and snow showers likely. Cloudy, with a low around 30. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 42. East northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Cloudy, with a low around 30. East northeast wind around 7 mph.
Tuesday
A chance of showers. Cloudy, with a high near 47. East wind around 7 mph becoming west in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 35. North northwest wind around 6 mph becoming northeast after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 54. 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
7:47 pm CST Feb 25, 2026
11pm CST Feb 25, 2026-6pm CST Mar 4, 2026
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