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

23°F

-5°C

Humidity 78%
Wind Speed Calm
Barometer 30.36 in (1029.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 9:51 pm CST
Extended Forecast for

Waukegan IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 5am. Cloudy, with a temperature rising to around 25 by 4am. Calm wind becoming south around 5 mph after midnight.

    Low: 21 °F⇑

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow, mainly after 7am. The snow could be heavy at times. High near 33. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 33 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow before midnight, then snow, possibly mixed with rain between midnight and 3am, then snow after 3am. Steady temperature around 33. Breezy, with a south southeast wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 33 °F

    Snow and
    Breezy then
    Rain/Snow

  • Sunday

    Sunday: Snow likely before noon, then a slight chance of snow showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Breezy. Snow
    Likely then
    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly after 5am. Cloudy, with a temperature rising to around 25 by 4am. Calm wind becoming south around 5 mph after midnight.
Saturday
Snow, mainly after 7am. The snow could be heavy at times. High near 33. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow before midnight, then snow, possibly mixed with rain between midnight and 3am, then snow after 3am. Steady temperature around 33. Breezy, with a south southeast wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely before noon, then a slight chance of snow showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 12. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 24.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10.
Friday
A chance of snow. Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
9:51 pm CST Nov 28, 2025
Forecast Valid:
10pm CST Nov 28, 2025-6pm CST Dec 5, 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