Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
39°F
4°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.49 in (1033.0 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 9:56 pm CDT |
Extended Forecast for
2 Miles SSE Sesser IL
Frost Advisory October 18, 01:00am until October 18, 08:00am
Tonight
Low: 36 °F
Clear
Sunday
High: 69 °F
Areas Frost
then SunnySunday Night
Low: 39 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
Clear, with a low around 39. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 75. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 78. Calm wind.
Thursday Night
Clear, with a low around 49. Calm wind.
Friday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50. Light east southeast wind.
Saturday
Sunny, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Sesser IL
38.07°N 89.04°W
38.07°N 89.04°W
9:06 pm CDT Oct 17, 2026
10pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
