Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
71°F
22°C
| Humidity | 36% |
| Wind Speed | S 7 mph |
| Barometer | 30.36 in (1028.6 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 1:56 pm CDT |
Extended Forecast for
Mount Vernon IL
This Afternoon
High: 74 °F
Sunny
Tonight
Low: 45 °F
Increasing
CloudsTuesday
High: 72 °F
Becoming
SunnyTuesday Night
Low: 44 °F
Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 47 °F
Clear
Friday
High: 74 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 74. Calm wind.
Tonight
Increasing clouds, with a low around 45. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind.
Tuesday Night
Clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 74. Calm wind.
Wednesday Night
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 75. Light north wind.
Thursday Night
Clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 74. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 47. Light east southeast wind.
Saturday
Sunny, with a high near 75. Calm wind becoming south southeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 50. Calm wind.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph 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
1:26 pm CDT Oct 19, 2026
2pm CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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