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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.08 in (1017.6 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 12 Jun 6:51 am CDT
Extended Forecast for

Waukegan IL

  • Today

    Today: Partly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 72. East wind around 10 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Cloudy, with a low around 60. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 69. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 56. Chance of precipitation is 10%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 58. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 72. East wind around 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Cloudy, with a low around 60. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 69. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 56. Chance of precipitation is 10%.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers after 1am. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
5:57 am CDT Jun 12, 2025
Forecast Valid:
7am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation