Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
74°F
23°C
| Humidity | 62% |
| Wind Speed | S 16 mph |
| Barometer | 29.99 in (1015.6 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 4 Apr 12:56 am CDT |
Extended Forecast for
Mount Vernon IL
Overnight

Low: 70 °F
Chance
T-stormsSaturday
High: 67 °F⇓
Showers then
Showers
LikelySaturday Night

Low: 39 °F
Decreasing
CloudsSunday

High: 58 °F
Sunny
Sunday Night

Low: 38 °F
Clear
Monday

High: 63 °F
Sunny
Monday Night

Low: 37 °F
Partly Cloudy
Tuesday

High: 55 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a steady temperature around 70. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday
Showers and thunderstorms before 2pm, then a chance of showers between 2pm and 4pm. Temperature falling to around 58 by 5pm. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 58. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Light west wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. North northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 55. East northeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 74. South wind 11 to 16 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 18 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. South wind 8 to 13 mph, with gusts as high as 20 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
11:47 pm CDT Apr 3, 2026
1am CDT Apr 4, 2026-6pm CDT Apr 10, 2026



