Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Thunderstorm Light Rain Fog/Mist
65°F
18°C
| Humidity | 97% |
| Wind Speed | SW 7 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 6.00 mi |
| Last update | 4 Apr 5:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today

High: 66 °F⇓
Showers
Tonight

Low: 40 °F
Decreasing
CloudsSunday

High: 57 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 37 °F
Partly Cloudy
Tuesday

High: 54 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Partly Cloudy
Wednesday

High: 70 °F
Mostly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm before 3pm, then a slight chance of showers between 3pm and 4pm. Temperature falling to around 58 by 3pm. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57. Northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Light west wind becoming northwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. North northwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 54. East northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East wind around 6 mph.
Wednesday
Mostly sunny, with a high near 70. South wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 75. South wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind around 7 mph.
Friday
Mostly sunny, with a high near 76. South wind 8 to 13 mph, with gusts as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
3:52 am CDT Apr 4, 2026
6am CDT Apr 4, 2026-6pm CDT Apr 10, 2026



