Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain
48°F
9°C
| Humidity | 93% |
| Wind Speed | N 7 mph |
| Barometer | 29.89 in (1012.6 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 18 Apr 8:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today
High: 55 °F
Chance
ShowersTonight
Low: 38 °F
Mostly Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 77 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Cloudy, then gradually becoming mostly sunny, with a steady temperature around 55. Northwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 67. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 40. West northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 65. Calm wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 49. Southeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 57. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 80. West southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 5 mph.
Thursday
Sunny, with a high near 83. South wind 6 to 16 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 22 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. South southwest wind 11 to 16 mph, with gusts as high as 22 mph.
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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
8:46 am CDT Apr 18, 2026
9am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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