Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
89°F
32°C
| Humidity | 36% |
| Wind Speed | S 5 mph |
| Barometer | 30.04 in (1017.0 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 5 Aug 4:56 pm CDT |
Extended Forecast for
5 Miles E Mount Vernon IL
Tonight
Low: 70 °F
Partly Cloudy
then Slight
Chance
ShowersThursday
High: 85 °F
Chance
T-storms then
Slight Chance
T-stormsThursday Night
Low: 70 °F
Mostly Cloudy
then Showers
LikelyFriday
High: 87 °F
Showers
LikelyFriday Night
Low: 70 °F
Chance
T-stormsSaturday
High: 89 °F
Chance
T-storms then
Mostly SunnySaturday Night
Low: 70 °F
Mostly Clear
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Detailed Forecast
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 70. Light south southeast wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A chance of thunderstorms before 7am. Mostly sunny, with a high near 89. Light southwest wind. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Mostly sunny, with a high near 91. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Monday
Mostly sunny, with a high near 92. South southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind around 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. West southwest wind 6 to 8 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind 3 to 6 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles E Mount Vernon IL
38.33°N 88.83°W
38.33°N 88.83°W
3:41 pm CDT Aug 5, 2026
5pm CDT Aug 5, 2026-6pm CDT Aug 12, 2026
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