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

20°F

-7°C

Humidity 43%
Wind Speed SW 3 mph
Barometer 30.42 in (1032.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 7 Feb 12:51 pm CST
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 22. North wind around 5 mph.

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly between 1am and 5am. Cloudy, with a low around 17. Calm wind becoming south southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 28. South southeast wind 10 to 15 mph.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. South southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38. Southwest wind 5 to 10 mph.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 22. North wind around 5 mph.
Tonight
Snow likely, mainly between 1am and 5am. Cloudy, with a low around 17. Calm wind becoming south southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 28. South southeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 21. South southeast wind around 5 mph, with gusts as high as 10 mph.
Monday
Mostly cloudy, with a high near 38. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.43°N 87.87°W
Last Update:
12:41 pm CST Feb 7, 2026
Forecast Valid:
12pm CST Feb 7, 2026-6pm CST Feb 13, 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