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

6°F

-14°C

Humidity 66%
Wind Speed SW 17 mph
Barometer 30.01 in (1018.7 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 18 Jan 9:51 am CST
Extended Forecast for

Waukegan IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Snow likely, mainly after 4pm. Cloudy, with a high near 19. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 19 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 2. Wind chill values as low as -16. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow then
    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 8. Wind chill values as low as -18. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 8 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -13. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. West southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly after 4pm. Cloudy, with a high near 19. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 11pm. Low around 2. Wind chill values as low as -16. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
M.L.King Day
Partly sunny and cold, with a high near 8. Wind chill values as low as -18. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -13. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 20. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Wednesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
A chance of snow. Mostly cloudy, with a high near 25.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9.
Saturday
A chance of snow. Partly sunny, with a high near 15.
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:
10:21 am CST Jan 18, 2026
Forecast Valid:
10am CST Jan 18, 2026-6pm CST Jan 24, 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