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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

60°F

16°C

Humidity 84%
Wind Speed W 5 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 10:51 pm CDT
Extended Forecast for

North Chicago IL

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. South southwest wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Calm wind.
Monday
Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 64. South southwest wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67.
Sunday
A chance of showers. Mostly cloudy, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Chicago IL
 42.32°N 87.85°W
Last Update:
7:41 pm CDT Aug 23, 2026
Forecast Valid:
11pm CDT Aug 23, 2026-6pm CDT Aug 30, 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