Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
62°F
17°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.19 in (1022.4 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 11:56 pm CDT |
Extended Forecast for
4 Miles ENE Mount Vernon IL
Overnight
Low: 60 °F
Patchy Fog
Saturday
High: 87 °F
Patchy Fog
then SunnySaturday Night
Low: 56 °F
Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 85 °F
Chance
ShowersMonday Night
Low: 64 °F
Slight Chance
T-storms then
Chance
ShowersTuesday
High: 81 °F
Chance
ShowersTuesday Night
Low: 56 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 60. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming south southeast 5 to 9 mph in the morning.
Saturday Night
Clear, with a low around 56. South southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 87. Light south southeast wind becoming south 8 to 13 mph in the morning.
Sunday Night
Mostly clear, with a low around 63. South southeast wind 3 to 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Calm wind becoming north 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 56. North northeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 75. Northeast wind 8 to 11 mph.
Wednesday Night
Mostly clear, with a low around 51. East northeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 75. East wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming south southwest 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Mount Vernon IL
38.33°N 88.83°W
38.33°N 88.83°W
11:01 pm CDT Oct 3, 2025
12am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
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