Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
70°F
21°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 3 Sep 2:56 am CDT |
Extended Forecast for
3 Miles ESE Sesser IL
Extreme Heat Warning September 3, 03:16am until September 5, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Overnight
Low: 77 °F
Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 77 °F
Clear
Friday
High: 98 °F
Hot
Friday Night
Low: 78 °F
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Detailed Forecast
Overnight
Clear, with a low around 77. Calm wind.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 77. Light south wind.
Friday
Sunny and hot, with a high near 98. Light west southwest wind.
Friday Night
Mostly clear, with a low around 78. Calm wind.
Saturday
Sunny and hot, with a high near 97. Light and variable wind.
Saturday Night
Mostly clear, with a low around 75. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming north northeast 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. East northeast wind 5 to 8 mph.
Labor Day
Sunny, with a high near 92. East wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 73. East wind 3 to 6 mph.
Tuesday
Sunny, with a high near 94. South wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind around 7 mph.
Wednesday
Sunny, with a high near 96. Southwest wind 7 to 10 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Sesser IL
38.07°N 88.99°W
38.07°N 88.99°W
2:36 am CDT Sep 3, 2026
3am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
Additional Resources
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