


Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
87°F
31°C
Humidity | 35% |
Wind Speed | NE 5 mph |
Barometer | 30.12 in (1020.2 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 10.00 mi |
Heat Index | 86°F (30°C) |
Last update | 29 Sep 3:56 pm CDT |
Extended Forecast for
Mount Vernon IL
This Afternoon
High: 91 °F
Sunny
Tonight
Low: 61 °F
Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 59 °F
Mostly Cloudy
Thursday
High: 87 °F
Partly Sunny
Thursday Night
Low: 60 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 91. East northeast wind around 8 mph.
Tonight
Clear, with a low around 61. Light north northeast wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 88. East wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 60. Light east southeast wind.
Friday
Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
Clear, with a low around 59. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85. Light south wind increasing to 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 58. South wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Light south southeast wind becoming south 5 to 9 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
2:16 pm CDT Sep 29, 2025
4pm CDT Sep 29, 2025-6pm CDT Oct 5, 2025