Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
34°F
1°C
| Humidity | 64% |
| Wind Speed | SW 13 mph |
| Barometer | 30.37 in (1029.4 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 12 Jan 8:56 am CST |
Extended Forecast for
4 Miles SW Mount Vernon IL
Today

High: 51 °F
Sunny
Tonight

Low: 34 °F
Mostly Clear
Tuesday

High: 59 °F
Increasing
CloudsTuesday Night

Low: 39 °F
Chance
ShowersWednesday
High: 44 °F
Partly Sunny
then Slight
Chance
Rain/SnowWednesday Night

Low: 18 °F
Mostly Cloudy
Thursday

High: 32 °F
Sunny
Thursday Night

Low: 22 °F
Mostly Cloudy
Friday

High: 43 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 51. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 34. South southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 59. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph becoming west northwest after midnight.
Wednesday
A slight chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 44. Northwest wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 18. North northwest wind 13 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 32. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 22. Light west wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 43. West wind 9 to 15 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 21. West wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 32. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 12. West northwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 28. West northwest wind 8 to 14 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Mount Vernon IL
38.27°N 88.95°W
38.27°N 88.95°W
8:22 am CST Jan 12, 2026
9am CST Jan 12, 2026-6pm CST Jan 18, 2026


