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.

Light Rain Fog/Mist

33°F

1°C

Humidity 92%
Wind Speed SW 9 mph
Barometer 29.58 in (1002.8 mb)
Dewpoint 31°F (-1°C)
Visibility 6.00 mi
Wind Chill25°F (-4°C)
Last update 9 Dec 5:51 pm CST
Extended Forecast for

Waukegan IL

  • Tonight

    Tonight: Rain and snow, possibly mixed with freezing rain before 8pm, then rain between 8pm and 5am, then snow likely, possibly mixed with rain after 5am. Low around 31. Breezy, with a south wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    Low: 31 °F

    Breezy.
    Wintry Mix
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 33 °F⇓

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 23. Wind chill values as low as 1. West northwest wind 5 to 10 mph.

    High: 23 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19. West southwest wind around 5 mph.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 13.

    High: 13 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around -2.

    Low: -2 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Rain and snow, possibly mixed with freezing rain before 8pm, then rain between 8pm and 5am, then snow likely, possibly mixed with rain after 5am. Low around 31. Breezy, with a south wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 23. Wind chill values as low as 1. West northwest wind 5 to 10 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. West southwest wind around 5 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 28.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Saturday
A chance of snow. Mostly cloudy, with a high near 13.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around -2.
Sunday
Mostly sunny and cold, with a high near 10.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly cloudy, with a high near 22.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
3:11 pm CST Dec 9, 2025
Forecast Valid:
6pm CST Dec 9, 2025-6pm CST Dec 16, 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