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 80%
Wind Speed SW 5 mph
Barometer 30.24 in (1027.0 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 4 Dec 6:51 pm CST
Extended Forecast for

Waukegan IL

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -4. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 8 °F⇑

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. Wind chill values as low as -3. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain. Mostly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 28. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 18. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -4. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 28. Wind chill values as low as -3. Southwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Patchy snow and freezing rain. Mostly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 28. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 18. North northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 26.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 25.
Monday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 18.
Tuesday
A chance of snow before noon. Mostly cloudy, with a high near 33.
Tuesday Night
Snow likely. Cloudy, with a low around 24.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 14.
Thursday
A chance of snow. Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
6:11 pm CST Dec 4, 2025
Forecast Valid:
7pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation