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.

Overcast

30°F

-1°C

Humidity 75%
Wind Speed SW 8 mph
Barometer 29.80 in (1010.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 5 Feb 8:51 pm CST
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: A chance of snow between 1am and 3am, then snow, possibly mixed with freezing rain. Low around 27. West wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.

    Low: 27 °F

    Cloudy then
    Wintry Mix

  • Friday

    Friday: Snow likely, possibly mixed with freezing rain, mainly before 7am. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Breezy.
    Wintry Mix
    Likely then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 6. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 22. Wind chill values as low as -4. North northwest wind around 5 mph becoming calm in the morning. Winds could gust as high as 10 mph.

    High: 22 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Calm wind becoming south southeast around 5 mph in the evening. Winds could gust as high as 15 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow between 1am and 3am, then snow, possibly mixed with freezing rain. Low around 27. West wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, possibly mixed with freezing rain, mainly before 7am. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 6. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 22. Wind chill values as low as -4. North northwest wind around 5 mph becoming calm in the morning. Winds could gust as high as 10 mph.
Saturday Night
Mostly cloudy, with a low around 16. Calm wind becoming south southeast around 5 mph in the evening. Winds could gust as high as 15 mph.
Sunday
Mostly cloudy, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Cloudy, with a high near 40.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
9:11 pm CST Feb 5, 2026
Forecast Valid:
9pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation