


Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
70°F
21°C
Humidity | 84% |
Wind Speed | S 3 mph |
Barometer | 30.15 in (1021.1 mb) |
Dewpoint | 65°F (18°C) |
Visibility | 10.00 mi |
Last update | 6 Oct 8:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today
High: 79 °F
Partly Sunny
then Chance
ShowersTonight
Low: 67 °F
Chance
Showers then
Slight Chance
T-stormsTuesday
High: 79 °F
Chance
T-stormsTuesday Night
Low: 53 °F
Mostly Cloudy
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Detailed Forecast
Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 79. West wind 5 to 10 mph becoming south southeast in the afternoon.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Cloudy, with a low around 67. South southeast wind around 6 mph becoming calm after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Light west wind becoming north northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 53. North northeast wind 7 to 10 mph.
Wednesday
Sunny, with a high near 74. Northeast wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 46. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 72. East northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 42. Light east wind.
Friday
Sunny, with a high near 76. Light southeast wind.
Friday Night
Mostly clear, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 50. Light southeast wind.
Sunday
Sunny, with a high near 81. South southeast wind 3 to 8 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
8:16 am CDT Oct 6, 2025
9am CDT Oct 6, 2025-6pm CDT Oct 12, 2025