Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
55°F
13°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.8 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 7:56 am CDT |
Extended Forecast for
Sesser IL
Today
High: 86 °F
Sunny
Tonight
Low: 61 °F
Mostly Clear
Columbus Day
High: 92 °F
Becoming
SunnyMonday Night
Low: 67 °F
Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
then Chance
T-stormsWednesday
High: 86 °F
Showers
LikelyWednesday Night
Low: 64 °F
Chance
ShowersThursday
High: 82 °F
Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 86. Northwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 5 to 15 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 67. Southwest wind around 9 mph.
Tuesday
Sunny, with a high near 94. Southwest wind 8 to 13 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. East wind 9 to 13 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 56. South southwest wind 8 to 11 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 70. Breezy, with a northwest wind 16 to 23 mph.
Friday Night
Partly cloudy, with a low around 44. Breezy, with a north northwest wind 11 to 20 mph.
Saturday
Mostly sunny, with a high near 62. North wind 14 to 17 mph, with gusts as high as 20 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sesser IL
38.09°N 89.04°W
38.09°N 89.04°W
4:56 am CDT Oct 11, 2026
8am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
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