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

9°F

-13°C

Humidity 61%
Wind Speed Calm
Barometer 30.29 in (1028.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 4 Dec 4:51 pm CST
Extended Forecast for

Gurnee IL

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 6 by 8pm, then rising to around 12 during the remainder of the night. Wind chill values as low as -9. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 6 °F⇑

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 28. Wind chill values as low as -3. Southwest wind 10 to 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 steady temperature around 26. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 26 °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 15. Calm wind becoming north northwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 25.

    High: 25 °F

    Chance Snow

  • Sunday Night

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

    Low: 8 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Tonight
Increasing clouds, with a temperature falling to near 6 by 8pm, then rising to around 12 during the remainder of the night. Wind chill values as low as -9. 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 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 26. Southwest wind around 10 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 15. Calm wind becoming north northwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 25.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 24.
Monday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 15.
Tuesday
A chance of snow before noon. Mostly cloudy, with a high near 32.
Tuesday Night
Snow likely. Cloudy, with a low around 21.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
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:
Gurnee IL
 42.37°N 87.93°W
Last Update:
3:11 pm CST Dec 4, 2025
Forecast Valid:
5pm CST Dec 4, 2025-6pm CST Dec 11, 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