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

73°F

23°C

Humidity 81%
Wind Speed SW 6 mph
Barometer 29.87 in (1010.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 9 Jul 2:51 am CDT
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 81. West southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. North wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Scattered
    T-storms and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, partly sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. North northeast wind 5 to 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
Scattered showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 81. West southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. North wind 5 to 10 mph. Chance of precipitation is 50%.
Friday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 74. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 65. North northeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Mostly sunny, with a high near 81.
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 87.85°W
Last Update:
2:21 am CDT Jul 9, 2026
Forecast Valid:
3am CDT Jul 9, 2026-6pm CDT Jul 15, 2026
 
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