Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fog/Mist
68°F
20°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1016.1 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 1.00 mi |
| Last update | 7 Oct 4:56 am CDT |
Extended Forecast for
5 Miles SW Mount Vernon IL
Overnight
Low: 69 °F
Chance
Showers and
Patchy FogTuesday
High: 78 °F
Chance
Showers and
Patchy Fog
then Slight
Chance
T-stormsTuesday Night
Low: 51 °F
Decreasing
CloudsWednesday
High: 73 °F
Sunny
Wednesday Night
Low: 43 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 39 °F
Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 51 °F
Mostly Clear
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 69. Calm wind.
Tuesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Light north wind becoming north northwest 6 to 11 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind around 7 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 73. Northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 43. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 72. East northeast wind 6 to 10 mph.
Thursday Night
Clear, with a low around 39. East northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Light and variable wind.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. Southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 53. Southeast wind 3 to 7 mph.
Columbus Day
Sunny, with a high near 83. South southeast wind 5 to 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SW Mount Vernon IL
38.27°N 88.97°W
38.27°N 88.97°W
5:46 am CDT Oct 7, 2025
5am CDT Oct 7, 2025-6pm CDT Oct 13, 2025
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