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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain

61°F

16°C

Humidity 93%
Wind Speed SW 10 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 2 Apr 9:51 pm CDT
Extended Forecast for

Wonder Lake IL

Flood Advisory April 2, 10:41pm until April 2, 11:00pm
Click here for hazard details and duration
...
  •  
    Flood Advisory April 2, 10:41pm until April 2, 11:00pm

    NOW until 11:00pm Thu

    Flood Advisory

  • Tonight

    Low: 44 °F

    Mostly Cloudy
    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 39 by 9pm, then rising to around 49 during the remainder of the night. East 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: 39 °F⇑

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 58. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °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 49.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
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 39 by 9pm, then rising to around 49 during the remainder of the night. East 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 58. 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 49.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 25.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
10:31 pm CDT Apr 2, 2026
Forecast Valid:
10pm CDT Apr 2, 2026-6pm CDT Apr 9, 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