Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
35°F
2°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.48 in (1032.9 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 1:56 am CDT |
Extended Forecast for
Bonnie IL
Frost Advisory until October 18, 08:00am
NOW until 8:00am Sun
Frost Advisory
Overnight
Low: 38 °F
Areas Frost
Sunday
High: 69 °F
Frost then
SunnySunday Night
Low: 39 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Detailed Forecast
Overnight
Areas of frost after 5am. Otherwise, clear, with a steady temperature around 38. Calm wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southeast around 6 mph in the morning.
Sunday Night
Clear, with a low around 39. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 75. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind.
Wednesday Night
Clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind.
Thursday Night
Clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 79. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46. Light east southeast wind.
Saturday
Sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Bonnie IL
38.2°N 88.89°W
38.2°N 88.89°W
1:26 am CDT Oct 18, 2026
2am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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