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.

A Few Clouds

69°F

21°C

Humidity 73%
Wind Speed W 7 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 8:51 am CDT
Extended Forecast for

Waukegan IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 73. West wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northeast wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 66. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 73. West wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 56. North northeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 66. East northeast wind around 5 mph, with gusts as high as 10 mph.
Friday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 59.
Labor Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
7:07 am CDT Aug 28, 2025
Forecast Valid:
9am CDT Aug 28, 2025-6pm CDT Sep 3, 2025
 
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