Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy and Breezy
N/A
| Humidity | NA |
| Wind Speed | SW 22 G 26 mph |
| Barometer | 29.68 in |
| Dewpoint | N/A |
| Visibility | 10.00 mi |
| Last update | 10 Dec 12:56 am CST |
Extended Forecast for
Mount Vernon IL
Overnight

Low: 38 °F
Slight Chance
RainWednesday

High: 44 °F⇓
Mostly Cloudy
and BreezyWednesday Night

Low: 25 °F
Mostly Cloudy
Thursday

High: 38 °F
Partly Sunny
Thursday Night
Low: 33 °F
Chance Snow
Showers then
Mostly CloudyFriday

High: 44 °F
Partly Sunny
Friday Night

Low: 20 °F
Mostly Cloudy
Saturday

High: 34 °F
Mostly Cloudy
Saturday Night

Low: 9 °F
Mostly Cloudy
Detailed Forecast
Overnight
A slight chance of rain between 2am and 5am. Cloudy, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a temperature rising to near 44 by 8am, then falling to around 36 during the remainder of the day. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 38. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 33. South southeast wind 5 to 7 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 20. North northwest wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 34. North wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 9. North wind 5 to 8 mph.
Sunday
Sunny, with a high near 23. North wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 11. North northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 36. South wind 3 to 8 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 26. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 44. South wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
1:31 am CST Dec 10, 2025
1am CST Dec 10, 2025-6pm CST Dec 16, 2025



