Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
A Few Clouds
93°F
34°C
| Humidity | 46% |
| Wind Speed | SW 9 mph |
| Barometer | 30.08 in (1018.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 9 Sep 1:56 pm CDT |
Extended Forecast for
2 Miles NNW Nason IL
Heat Advisory until September 9, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 95 °F
Chance
T-stormsTonight
Low: 71 °F
Chance
T-storms then
ShowersThursday
High: 83 °F
Showers then
Chance
T-stormsThursday Night
Low: 66 °F
Slight Chance
Showers then
CloudyFriday
High: 85 °F
Chance
ShowersFriday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 91 °F
Mostly Sunny
then Slight
Chance
ShowersSaturday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Southwest wind 6 to 8 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 71. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 90%.
Thursday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 66. Light northeast wind.
Friday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 85. Light and variable wind.
Friday Night
Partly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 69. Light southeast wind.
Monday
Sunny, with a high near 95. Light south southeast wind becoming south southwest 9 to 14 mph in the morning.
Monday Night
Clear, with a low around 71. South wind 5 to 8 mph.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. West wind 5 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Nason IL
38.2°N 88.98°W
38.2°N 88.98°W
1:56 pm CDT Sep 9, 2026
2pm CDT Sep 9, 2026-6pm CDT Sep 15, 2026
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