Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
43°F
6°C
| Humidity | 86% |
| Wind Speed | N 5 mph |
| Barometer | 30.50 in (1033.5 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 17 Oct 6:56 am CDT |
Extended Forecast for
3 Miles ESE Sesser IL
Frost Advisory October 17, 09:00pm until October 18, 08:00am
Today
High: 62 °F
Sunny
Tonight
Low: 36 °F
Clear
Sunday
High: 67 °F
Patchy Frost
then SunnySunday Night
Low: 40 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 62. North northeast wind 7 to 10 mph.
Tonight
Clear, with a low around 36. Light northeast wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.
Sunday Night
Clear, with a low around 40. Light east southeast wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 75. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 78. Calm wind.
Wednesday Night
Clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind.
Thursday Night
Clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Sesser IL
38.07°N 89.01°W
38.07°N 89.01°W
5:31 am CDT Oct 17, 2026
7am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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