Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Partly Cloudy
44°F
7°C
| Humidity | 79% |
| Wind Speed | NE 3 mph |
| Barometer | 30.16 in (1021.7 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 9 Jan 5:56 pm CST |
Extended Forecast for
Mount Vernon IL
Tonight
Low: 40 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday
High: 44 °F
Chance
Showers then
SunnySaturday Night
Low: 25 °F
Partly Cloudy
Sunday
High: 37 °F
Sunny
Sunday Night
Low: 24 °F
Mostly Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 55 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
Detailed Forecast
Tonight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers between 9am and 11am. Cloudy, then gradual clearing during the afternoon, with a steady temperature around 44. Light northwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 25. West northwest wind 7 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 37. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 50. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 55. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 38. West southwest wind 6 to 9 mph.
Wednesday
A slight chance of showers after noon. Mostly cloudy, with a high near 44. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 22. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 34. North northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 5 to 7 mph becoming south southwest in the evening.
Friday
Partly sunny, with a high near 42. Southwest wind 7 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.33°N 88.91°W
38.33°N 88.91°W
5:31 pm CST Jan 9, 2026
6pm CST Jan 9, 2026-6pm CST Jan 16, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
