Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
60°F
16°C
| Humidity | 50% |
| Wind Speed | S 3 mph |
| Barometer | 29.97 in (1015.2 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 7 Jan 2:56 pm CST |
Extended Forecast for
Sesser IL
This Afternoon

High: 63 °F
Partly Sunny
Tonight

Low: 44 °F
Mostly Cloudy
Thursday
High: 66 °F
Slight Chance
Showers then
Chance
Showers and
BreezyThursday Night
Low: 57 °F
Showers and
Breezy then
Showers
LikelyFriday
High: 63 °F
Slight Chance
Showers then
Partly SunnyFriday Night

Low: 43 °F
Chance
ShowersSaturday
High: 47 °F
Slight Chance
Showers then
Mostly SunnySaturday Night

Low: 26 °F
Partly Cloudy
Sunday

High: 36 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 63. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 44. South southeast wind 5 to 7 mph.
Thursday
A 50 percent chance of showers, mainly after noon. Cloudy, with a high near 66. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 57. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of showers before noon. Partly sunny, with a high near 63. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. North northeast wind 5 to 8 mph.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 47. West northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 26. West wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 36. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm.
Monday
Sunny, with a high near 44. South southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 31. Southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 50. Southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Sesser IL
38.09°N 89.04°W
38.09°N 89.04°W
3:16 pm CST Jan 7, 2026
3pm CST Jan 7, 2026-6pm CST Jan 13, 2026



