


Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
87°F
31°C
Humidity | 51% |
Wind Speed | SW 17 G 28 mph |
Barometer | 29.81 in (1009.2 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Heat Index | 90°F (32°C) |
Last update | 18 Jun 4:56 pm CDT |
Extended Forecast for
3 Miles S Mount Vernon IL
Lake Wind Advisory until June 18, 07:00pm
NOW until 7:00pm Wed
Lake Wind Advisory
This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 68 °F
Severe
Thunderstorms
then Chance
ShowersJuneteenth
High: 85 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 93 °F
Sunny
Saturday Night
Low: 76 °F
Clear
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 87. Southwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 68. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 85. Northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 93. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 94. South southwest wind 5 to 9 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 75. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Mount Vernon IL
38.29°N 88.89°W
38.29°N 88.89°W
3:16 pm CDT Jun 18, 2025
5pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025