Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Rain
66°F
19°C
| Humidity | 93% |
| Wind Speed | S 14 mph |
| Barometer | 29.93 in (1013.6 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 9.00 mi |
| Last update | 4 Apr 7:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today
High: 65 °F⇓
Showers then
Showers
Likely and
BreezyTonight

Low: 40 °F
Decreasing
CloudsSunday

High: 57 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 37 °F
Partly Cloudy
Tuesday

High: 54 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Partly Cloudy
Wednesday

High: 70 °F
Mostly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature rising to near 65 by 10am, then falling to around 58 during the remainder of the day. Breezy, with a west southwest wind 9 to 14 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57. Northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Light west wind becoming northwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. North northwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 54. East northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East wind around 6 mph.
Wednesday
Mostly sunny, with a high near 70. South wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 75. South wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind around 7 mph.
Friday
Mostly sunny, with a high near 76. South wind 8 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
7:42 am CDT Apr 4, 2026
8am CDT Apr 4, 2026-6pm CDT Apr 10, 2026



