Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
N/A
| Humidity | NA |
| Wind Speed | S 7 mph |
| Barometer | 30.09 in |
| Dewpoint | N/A |
| Visibility | 7.00 mi |
| Last update | 5 Dec 8:56 am CST |
Extended Forecast for
Mount Vernon IL
Today

High: 39 °F
Sunny
Tonight

Low: 27 °F
Increasing
CloudsSaturday

High: 42 °F
Partly Sunny
Saturday Night
Low: 29 °F
Mostly Cloudy
then Chance
Freezing RainSunday
High: 41 °F
Chance
Showers then
Mostly CloudySunday Night
Low: 18 °F
Slight Chance
Snow Showers
then Mostly
CloudyMonday

High: 34 °F
Mostly Sunny
Monday Night

Low: 23 °F
Partly Cloudy
Tuesday

High: 46 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 39. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 27. South southwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 42. Light and variable wind.
Saturday Night
A chance of freezing rain after midnight. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 41. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 18. North wind 5 to 10 mph becoming light after midnight.
Monday
Mostly sunny, with a high near 34. Light and variable wind.
Monday Night
Partly cloudy, with a low around 23. Calm wind becoming south southwest 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 22. West northwest wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 34. Northwest wind 7 to 9 mph becoming south southwest 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
7:56 am CST Dec 5, 2025
9am CST Dec 5, 2025-6pm CST Dec 11, 2025


