National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

68°F

20°C

Humidity 42%
Wind Speed E 9 mph
Barometer 30.29 in (1025.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 5 Oct 9:56 am CDT
Extended Forecast for

Bonnie IL

  • Today

    Today: Sunny, with a high near 78. Northeast wind around 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. Light east wind.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the morning.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Northeast wind around 8 mph.
Tonight
Clear, with a low around 48. Light east wind.
Tuesday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 54. Light east southeast wind.
Saturday
Sunny, with a high near 85. Light east southeast wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 58. East southeast wind 3 to 6 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 84. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bonnie IL
 38.2°N 88.89°W
Last Update:
7:01 am CDT Oct 5, 2026
Forecast Valid:
10am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation