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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

62°F

17°C

Humidity 86%
Wind Speed NE 8 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 1 Apr 8:56 pm CDT
Extended Forecast for

4 Miles E Bonnie IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 64. East northeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 23 mph, with gusts as high as 31 mph.

    High: 78 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 63. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 69. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40. West northwest wind 8 to 10 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 36 °F

    Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 64. East northeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 23 mph, with gusts as high as 31 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 63. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 69. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40. West northwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 58. Northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming west northwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 40. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 59. North northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 36. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 66. South southeast wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Bonnie IL
 38.2°N 88.84°W
Last Update:
8:52 pm CDT Apr 1, 2026
Forecast Valid:
9pm CDT Apr 1, 2026-6pm CDT Apr 8, 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