Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy and Breezy

67°F

19°C

Humidity 81%
Wind Speed S 21 G 37 mph
Barometer 29.60 in (1002.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Apr 7:51 pm CDT
Extended Forecast for

Mc Cullom Lake IL

Tornado Watch April 2, 08:07pm until April 2, 11:00pm
Flood Advisory until April 2, 11:00pm
Click here for hazard details and duration
...
...
  •  
    Tornado Watch April 2, 08:07pm until April 2, 11:00pm
    Flood Advisory until April 2, 11:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 44 °F

    T-storms and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Temperature falling to near 40 by 8pm, then rising to around 49 during the remainder of the night. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 59. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 10pm, then scattered showers and thunderstorms between 10pm and midnight. Low around 44. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, with a high near 55. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Temperature falling to near 40 by 8pm, then rising to around 49 during the remainder of the night. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Partly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
6:56 pm CDT Apr 2, 2026
8pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database