Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
71°F
22°C
| Humidity | 96% |
| Wind Speed | SW 5 mph |
| Barometer | 30.03 in (1017.0 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 10 Sep 4:56 am CDT |
Extended Forecast for
3 Miles S Mount Vernon IL
Overnight
Low: 70 °F
Chance
T-stormsThursday
High: 85 °F
Showers
LikelyThursday Night
Low: 66 °F
Slight Chance
T-storms then
Mostly CloudyFriday
High: 84 °F
Mostly Cloudy
then Chance
ShowersFriday Night
Low: 67 °F
Slight Chance
ShowersSaturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Thursday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Increasing clouds, with a low around 66. Light north wind. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 84. Calm wind becoming east southeast around 5 mph.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67. Calm wind.
Saturday
Mostly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. Light southeast wind.
Monday
Sunny, with a high near 94. Light south southeast wind becoming south southwest 8 to 13 mph in the morning.
Monday Night
Clear, with a low around 68. South wind 5 to 7 mph.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 93. South southwest wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
A chance of showers. Mostly sunny, with a high near 87. Light and variable wind becoming east around 6 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Mount Vernon IL
38.29°N 88.89°W
38.29°N 88.89°W
5:26 am CDT Sep 10, 2026
5am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
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