Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
38°F
3°C
| Humidity | 79% |
| Wind Speed | N 5 mph |
| Barometer | 30.03 in (1017.3 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 28 Feb 3:56 am CST |
Extended Forecast for
Mount Vernon IL
Today
High: 65 °F
Sunny then
Slight Chance
ShowersTonight
Low: 32 °F
Slight Chance
Showers then
Partly CloudySunday

High: 46 °F
Increasing
CloudsSunday Night
Low: 32 °F
Chance Snow
Showers then
Rain/Snow
LikelyMonday
High: 43 °F
Chance
Rain/Snow
then CloudyMonday Night

Low: 38 °F
Showers
LikelyTuesday

High: 62 °F
Showers
LikelyTuesday Night

Low: 52 °F
Showers
Wednesday

High: 65 °F
Showers
Likely
Detailed Forecast
Today
A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 65. Northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Sunday
Increasing clouds, with a high near 46. North northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Snow showers likely before 3am, then rain and snow showers likely. Cloudy, with a low around 32. East northeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday
A chance of rain and snow showers before 9am, then a chance of rain showers between 9am and noon. Cloudy, with a high near 43. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 38. East southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 62. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Cloudy, with a low around 52. South southwest wind 7 to 9 mph becoming east southeast after midnight.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind 8 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South southwest wind 7 to 9 mph.
Thursday
A chance of showers. Partly sunny, with a high near 68. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. South wind around 7 mph.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 72. South southwest wind 7 to 11 mph, with gusts as high as 20 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
3:31 am CST Feb 28, 2026
4am CST Feb 28, 2026-6pm CST Mar 6, 2026



