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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

58°F

14°C

Humidity 38%
Wind Speed Vrbl 3 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 May 9:51 am CDT
Extended Forecast for

Green Oaks IL

  • Today

    Today: Sunny, with a high near 60. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 48. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 72 °F

    Becoming
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Breezy.

    High: 84 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 60. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Tonight
A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 48. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Breezy.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64. Breezy.
Tuesday
Showers likely. Partly sunny, with a high near 78. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Oaks IL
 42.3°N 87.91°W
Last Update:
9:22 am CDT May 14, 2026
Forecast Valid:
10am CDT May 14, 2026-6pm CDT May 20, 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