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.

Overcast

20°F

-7°C

Humidity 71%
Wind Speed NW 6 mph
Barometer 30.42 in (1032.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 4 Feb 9:51 am CST
Extended Forecast for

Waukegan IL

  • Today

    Today: Scattered flurries before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 26. Northwest wind around 5 mph.

    High: 26 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Increasing clouds, with a low around 14. Calm wind becoming west southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Scattered snow showers between 9am and 3pm. Cloudy, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 30 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Scattered snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then
    Scattered
    Wintry Mix

  • Friday

    Friday: A slight chance of rain and snow showers before noon. Mostly cloudy, with a high near 38. Breezy, with a west northwest wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 38 °F

    Breezy.
    Isolated
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Scattered flurries before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 26. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 14. Calm wind becoming west southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
Scattered snow showers between 9am and 3pm. Cloudy, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Scattered snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
A slight chance of rain and snow showers before noon. Mostly cloudy, with a high near 38. Breezy, with a west northwest wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
9:56 am CST Feb 4, 2026
Forecast Valid:
10am CST Feb 4, 2026-6pm CST Feb 10, 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