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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

12°F

-11°C

Humidity 61%
Wind Speed Calm
Barometer 30.22 in (1026.2 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 20 Jan 5:51 pm CST
Extended Forecast for

Waukegan IL

Winter Weather Advisory January 20, 08:00pm until January 21, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 11pm. Temperature rising to around 22 by 4am. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 16 °F⇑

    Snow

  • Wednesday

    Wednesday: Snow with a chance of flurries before 9am, then scattered flurries with isolated snow showers after 5pm. Steady temperature around 23. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow then
    Isolated Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 10pm. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 12. Wind chill values as low as -2. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Wind chill values as low as -3. West wind around 15 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -9. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 11pm. Temperature rising to around 22 by 4am. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow with a chance of flurries before 9am, then scattered flurries with isolated snow showers after 5pm. Steady temperature around 23. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 10pm. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 12. Wind chill values as low as -2. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 19. Wind chill values as low as -3. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -9. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near -2.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 16.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 23.
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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:
3:11 pm CST Jan 20, 2026
Forecast Valid:
6pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Chance of Precipitation