Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fog/Mist
60°F
16°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1017.9 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 1.75 mi |
| Last update | 23 Aug 4:56 am CDT |
Extended Forecast for
Nason IL
Today
High: 83 °F
Sunny
Tonight
Low: 61 °F
Decreasing
CloudsMonday
High: 83 °F
Mostly Sunny
Monday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 67 °F
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 83. Calm wind.
Monday Night
Partly cloudy, with a low around 64. Calm wind.
Tuesday
Sunny, with a high near 85. Light east southeast wind.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Mostly sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 88. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 67. Light north wind.
Friday
Sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. Light east northeast wind.
Saturday
Sunny, with a high near 87. Light and variable wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Nason IL
38.18°N 88.95°W
38.18°N 88.95°W
3:01 am CDT Aug 23, 2026
5am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
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