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

45°F

7°C

Humidity 97%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 3:56 am CDT
Extended Forecast for

3 Miles E Bonnie IL

  • Today

    Today: Sunny, with a high near 89. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. East southeast wind 3 to 5 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 77. Light east wind becoming east northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 57. East northeast wind 7 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. Light southwest wind increasing to 8 to 13 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South wind 7 to 11 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 6 to 13 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 58. East southeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 77. Light east wind becoming east northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 57. East northeast wind 7 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 79. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 56. Calm wind.
Columbus Day
Sunny, with a high near 89. Light southwest wind increasing to 8 to 13 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. South wind 7 to 11 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 6 to 13 mph.
Tuesday Night
Mostly clear, with a low around 60. Southwest wind 6 to 9 mph becoming east northeast after midnight.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. East wind 6 to 11 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. South southeast wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southwest wind 8 to 16 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Bonnie IL
 38.2°N 88.86°W
Last Update:
1:26 am CDT Oct 9, 2026
Forecast Valid:
4am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation