Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.73°F
23°C
| Humidity | 66% |
| Wind Speed | SW 14 mph |
| Barometer | 29.73 in (1006.6 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 9:56 am CDT |
Extended Forecast for
5 Miles SW Mount Vernon IL
Today
High: 87 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 36 °F
Chance
T-storms then
Mostly ClearMonday
High: 56 °F
Mostly Sunny
Monday Night
Low: 38 °F
Mostly Cloudy
Tuesday
High: 64 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Mostly Cloudy
Wednesday
High: 73 °F
Partly Sunny
Wednesday Night
Low: 59 °F
Slight Chance
T-storms then
Chance
ShowersThursday
High: 84 °F
Sunny then
Slight Chance
Showers
Detailed Forecast
Today
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 36. North wind 14 to 18 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 56. North northeast wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 64. East southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Light east southeast wind.
Wednesday
Partly sunny, with a high near 73. South southwest wind 5 to 9 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 59. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
A slight chance of showers after 1pm. Sunny, with a high near 84. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Southwest wind 10 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 52. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 32. North northeast wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 57. East northeast wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SW Mount Vernon IL
38.27°N 88.97°W
38.27°N 88.97°W
8:16 am CDT Mar 22, 2026
10am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
