Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
88°F
31°C
| Humidity | 66% |
| Wind Speed | S 6 mph |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 4 Jul 10:56 am CDT |
Extended Forecast for
3 Miles E Mount Vernon IL
Heat Advisory July 4, 11:23am until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Independence Day
High: 93 °F
Chance
T-stormsTonight
Low: 72 °F
Chance
T-stormsSunday
High: 90 °F
Slight Chance
T-storms then
Showers
LikelySunday Night
Low: 70 °F
Chance
T-storms then
Chance
ShowersMonday
High: 88 °F
Chance
Showers then
Chance
T-stormsMonday Night
Low: 70 °F
Chance
T-storms then
Slight Chance
ShowersTuesday
High: 88 °F
Chance
ShowersTuesday Night
Low: 69 °F
Mostly Clear
Detailed Forecast
Independence Day
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93. Southwest wind 3 to 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 72. Calm wind.
Sunday
A slight chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 88. Light north northwest wind. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 70. Light north wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Light north wind. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind 3 to 6 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Mount Vernon IL
38.33°N 88.86°W
38.33°N 88.86°W
9:46 am CDT Jul 4, 2026
11am CDT Jul 4, 2026-6pm CDT Jul 10, 2026
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