Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
24°F
-4°C
| Humidity | 57% |
| Wind Speed | S 9 mph |
| Barometer | 30.08 in (1019.9 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 18 Jan 12:56 pm CST |
Extended Forecast for
Mount Vernon IL
This Afternoon

High: 30 °F
Partly Sunny
Tonight

Low: 11 °F
Decreasing
CloudsM.L.King Day

High: 20 °F
Increasing
CloudsMonday Night

Low: 10 °F
Mostly Clear
Tuesday

High: 35 °F
Mostly Sunny
Tuesday Night

Low: 26 °F
Partly Cloudy
Wednesday
High: 46 °F
Slight Chance
Rain/Snow
then Mostly
SunnyWednesday Night

Low: 22 °F
Partly Cloudy
Thursday

High: 34 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 30. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Southwest wind 8 to 15 mph becoming west northwest in the evening. Winds could gust as high as 26 mph.
M.L.King Day
Increasing clouds, with a high near 20. Wind chill values as low as -5. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 10. Light and variable wind.
Tuesday
Mostly sunny, with a high near 35. Light south southwest wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 26. South wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of rain and snow showers before noon. Partly sunny, with a high near 46. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 22. West northwest wind around 6 mph.
Thursday
Sunny, with a high near 34. West northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 39. South southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. North northeast wind 7 to 10 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. North northeast wind around 11 mph, with gusts as high as 18 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
12:36 pm CST Jan 18, 2026
1pm CST Jan 18, 2026-6pm CST Jan 24, 2026



