Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
67°F
19°C
| Humidity | 61% |
| Wind Speed | N 3 mph |
| Barometer | 30.01 in (1016.7 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 10 Oct 6:56 pm CDT |
Extended Forecast for
Sesser IL
Tonight

Low: 56 °F
Mostly Cloudy
Sunday

High: 84 °F
Sunny
Sunday Night

Low: 60 °F
Mostly Clear
Columbus Day

High: 92 °F
Becoming
SunnyMonday Night

Low: 66 °F
Clear
Tuesday

High: 93 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
then Slight
Chance
T-stormsWednesday

High: 86 °F
Showers
LikelyWednesday Night

Low: 64 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 56. East wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 84. Northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 60. Light and variable wind.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 66. South southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 93. Southwest wind 8 to 13 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. West southwest wind 5 to 9 mph becoming north in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 8 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East wind 9 to 13 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South southwest wind 7 to 11 mph becoming west after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 73. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 9 to 16 mph.
Saturday
Mostly sunny, with a high near 65. North northwest wind 11 to 16 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Sesser IL
38.07°N 89.07°W
38.07°N 89.07°W
2:26 pm CDT Oct 10, 2026
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026



