Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
42°F
6°C
| Humidity | 85% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.01 in (1016.9 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 10 Jan 4:56 am CST |
Extended Forecast for
Mount Vernon IL
Today
High: 46 °F
Chance
Showers then
Mostly SunnyTonight
Low: 26 °F
Slight Chance
Showers then
Mostly ClearSunday

High: 38 °F
Sunny
Sunday Night

Low: 25 °F
Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 35 °F
Mostly Clear
Tuesday

High: 58 °F
Partly Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Wednesday
High: 45 °F
Mostly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Today
A chance of showers between 9am and 11am. Cloudy, then gradual clearing during the afternoon, with a high near 46. Light north northwest wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Tonight
A slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 26. West northwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 25. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 50. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 58. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 39. West wind around 7 mph.
Wednesday
A slight chance of showers after noon. Mostly cloudy, with a high near 45. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 22. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 26. South southwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 44. West wind 8 to 13 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
3:16 am CST Jan 10, 2026
5am CST Jan 10, 2026-6pm CST Jan 16, 2026


