Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain Fog/Mist
71°F
22°C
| Humidity | 100% |
| Wind Speed | E 3 mph |
| Barometer | 30.05 in (1017.6 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 2.50 mi |
| Last update | 15 Oct 8:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today
High: 86 °F
Showers
LikelyTonight
Low: 50 °F
Showers
LikelyFriday
High: 58 °F
Breezy.
Slight Chance
Showers then
Partly SunnyFriday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 36 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
Monday
High: 71 °F
Mostly Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light south southeast wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 50. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 40. North wind 11 to 16 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 61. North northeast wind 7 to 9 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
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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
8:26 am CDT Oct 15, 2026
9am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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