Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fog/Mist
53°F
12°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.01 in (1016.5 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 1.50 mi |
| Last update | 11 Oct 6:56 am CDT |
Extended Forecast for
3 Miles S Mount Vernon IL
Today

High: 86 °F
Sunny
Tonight

Low: 60 °F
Mostly Clear
Columbus Day

High: 93 °F
Decreasing
CloudsMonday Night

Low: 66 °F
Clear
Tuesday

High: 94 °F
Sunny
Tuesday Night
Low: 68 °F
Mostly Clear
then Chance
T-stormsWednesday

High: 86 °F
Showers
LikelyWednesday Night

Low: 63 °F
Chance
ShowersThursday

High: 82 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 60. Light and variable wind.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 93. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 66. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 94. Southwest wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southwest wind 3 to 6 mph.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind 3 to 7 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. East wind 8 to 13 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. South wind 7 to 11 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 70. Breezy, with a northwest wind 16 to 22 mph.
Friday Night
Partly cloudy, with a low around 42. Breezy, with a north northwest wind 10 to 20 mph.
Saturday
Mostly sunny, with a high near 62. North wind 13 to 16 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Mount Vernon IL
38.29°N 88.92°W
38.29°N 88.92°W
4:56 am CDT Oct 11, 2026
7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026


