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

40°F

4°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.23 in (1024.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Dec 11:51 am CST
Extended Forecast for

Waukegan IL

  • This Afternoon

    This Afternoon: Patchy drizzle after 4pm. Cloudy, with a high near 42. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 42 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Drizzle, mainly before 10pm. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Drizzle then
    Areas Drizzle
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 39. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain likely after midnight. Cloudy, with a low around 36. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Cloudy then
    Rain Likely

  • Friday

    Friday: Rain likely before noon. Cloudy, with a high near 43. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. Breezy.

    High: 39 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Patchy drizzle after 4pm. Cloudy, with a high near 42. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Drizzle, mainly before 10pm. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Christmas Day
Cloudy, with a high near 39. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Rain likely after midnight. Cloudy, with a low around 36. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday
Rain likely before noon. Cloudy, with a high near 43. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 39. Breezy.
Sunday Night
Partly cloudy, with a low around 11. Blustery.
Monday
Mostly sunny, with a high near 20. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
10:01 am CST Dec 24, 2025
Forecast Valid:
12pm CST Dec 24, 2025-6pm CST Dec 30, 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