Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
4 Miles ENE Mount Vernon IL
Dense Fog Advisory February 16, 05:29am until February 16, 09:00am
NOW until 9:00am Mon
Dense Fog Advisory
Washington's Birthday
High: 62 °F
Areas Dense
Fog then
Mostly SunnyTonight

Low: 41 °F
Partly Cloudy
Tuesday

High: 61 °F
Mostly Cloudy
Tuesday Night

Low: 57 °F
Decreasing
Clouds and
BreezyWednesday

High: 72 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
then Slight
Chance
ShowersThursday
High: 70 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 40 °F
Chance
T-storms then
Partly Cloudy
Detailed Forecast
Washington's Birthday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 62. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 41. South wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 61. South wind 6 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 57. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 72. West southwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South southwest wind around 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. West wind around 11 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 53. West wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. North northwest wind around 6 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 49. North northwest wind 6 to 8 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 29. Northwest wind 6 to 8 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 42. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Mount Vernon IL
38.33°N 88.83°W
38.33°N 88.83°W
4:32 am CST Feb 16, 2026
5am CST Feb 16, 2026-6pm CST Feb 22, 2026



