Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
46°F
8°C
| Humidity | 44% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.67 in (1039.1 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 28 Mar 10:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today

High: 55 °F
Sunny
Tonight

Low: 38 °F
Increasing
CloudsSunday

High: 67 °F
Mostly Sunny
Sunday Night

Low: 55 °F
Partly Cloudy
Monday

High: 78 °F
Mostly Sunny
Monday Night

Low: 65 °F
Partly Cloudy
Tuesday
High: 82 °F
Breezy.
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night

Low: 50 °F
Showers
Wednesday

High: 60 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 55. Southeast wind around 6 mph.
Tonight
Increasing clouds, with a low around 38. Southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 67. South wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 78. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. North wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 42. Northeast wind around 10 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 57. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45. East wind around 8 mph.
Friday
A chance of showers. Partly sunny, with a high near 69. East wind 7 to 10 mph becoming south in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
9:26 am CDT Mar 28, 2026
11am CDT Mar 28, 2026-6pm CDT Apr 3, 2026



