Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
33°F
1°C
| Humidity | 61% |
| Wind Speed | W 17 G 24 mph |
| Barometer | 29.85 in (1011.3 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 20 Feb 7:56 am CST |
Extended Forecast for
Mount Vernon IL
Today

High: 44 °F
Sunny
Tonight
Low: 28 °F
Partly Cloudy
then Slight
Chance Wintry
MixSaturday

High: 43 °F
Mostly Sunny
Saturday Night

Low: 24 °F
Mostly Clear
Sunday

High: 36 °F
Sunny
Sunday Night

Low: 17 °F
Mostly Clear
Monday

High: 34 °F
Sunny
Monday Night

Low: 17 °F
Mostly Clear
Tuesday

High: 46 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 44. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A slight chance of rain showers before 3am, then a slight chance of snow showers between 3am and 4am, then a slight chance of freezing rain after 4am. Partly cloudy, with a low around 28. Light north wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 43. Light north wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 36. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 17. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 34. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 17. Light and variable wind.
Tuesday
Mostly sunny, with a high near 46. Light south southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 56. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 34. Southwest wind 5 to 7 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 52. North northwest wind 5 to 9 mph becoming south in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
6:07 am CST Feb 20, 2026
8am CST Feb 20, 2026-6pm CST Feb 26, 2026


