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

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 6 Oct 10:56 pm CDT
Extended Forecast for

3 Miles SE Bonnie IL

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Thursday

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

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Light northeast wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light south southeast wind becoming south 8 to 13 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 5 to 7 mph.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 88. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 51. Light northeast wind.
Friday
Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Light south southeast wind becoming south 8 to 13 mph in the morning.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 5 to 7 mph.
Sunday
A chance of showers. Partly sunny, with a high near 78. East wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 57. East wind 5 to 7 mph becoming light and variable.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Southwest wind 5 to 13 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Bonnie IL
 38.18°N 88.87°W
Last Update:
7:20 pm CDT Oct 6, 2026
Forecast Valid:
11pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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