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Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
98°F
37°C
| Humidity | 42% |
| Wind Speed | SW 8 mph |
| Barometer | 30.06 in (1017.8 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 106°F (41°C) |
| Last update | 16 Aug 3:56 pm CDT |
Extended Forecast for
3 Miles NNE Sesser IL
Heat Advisory August 16, 04:46pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
This Afternoon
High: 97 °F
Slight Chance
T-stormsTonight
Low: 75 °F
Slight Chance
T-storms then
Partly CloudySunday
High: 99 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night
Low: 75 °F
Slight Chance
T-storms then
Mostly ClearMonday
High: 99 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 73 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. South southeast wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Light south southeast wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 106. Light and variable wind becoming east southeast around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. Light and variable wind.
Monday
Sunny and hot, with a high near 99. Light and variable wind.
Monday Night
Mostly clear, with a low around 75. Light and variable wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 87. Northeast wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 67. Northeast wind 3 to 8 mph.
Friday
Sunny, with a high near 89. Northeast wind 3 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Sesser IL
38.14°N 89.04°W
38.14°N 89.04°W
4:31 pm CDT Aug 16, 2025
4pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
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