Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
64°F
18°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 9.00 mi |
| Last update | 27 Aug 3:56 am CDT |
Extended Forecast for
Sesser IL
Today

High: 89 °F
Sunny
Tonight

Low: 65 °F
Mostly Clear
Friday

High: 88 °F
Sunny
Friday Night

Low: 62 °F
Decreasing
CloudsSaturday

High: 90 °F
Sunny
Saturday Night

Low: 66 °F
Mostly Clear
Sunday

High: 95 °F
Sunny
Sunday Night

Low: 72 °F
Mostly Clear
Monday

High: 97 °F
Hot
Detailed Forecast
Today
Sunny, with a high near 89. Calm wind becoming north northwest 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 62. Light east wind.
Saturday
Sunny, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 95. Light south wind becoming south southwest 8 to 13 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. South wind 5 to 8 mph.
Monday
Sunny and hot, with a high near 97. South southwest wind 6 to 13 mph.
Monday Night
Mostly clear, with a low around 74. South wind 5 to 8 mph.
Tuesday
Sunny and hot, with a high near 97. Southwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 76. South southwest wind 5 to 7 mph.
Wednesday
Sunny and hot, with a high near 98. Southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Sesser IL
38.09°N 89.04°W
38.09°N 89.04°W
2:05 am CDT Aug 27, 2026
4am CDT Aug 27, 2026-6pm CDT Sep 2, 2026



