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

28°F

-2°C

Humidity 58%
Wind Speed E 3 mph
Barometer 29.92 in (1014.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 6 Dec 3:51 pm CST
Extended Forecast for

Wonder Lake IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 11pm. The snow could be heavy at times. Low around 20. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Heavy Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 21 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Increasing clouds, with a low around 5. Wind chill values as low as -3. North wind 5 to 10 mph becoming light after midnight.

    Low: 5 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 22. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 32. Chance of precipitation is 90%.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 11pm. The snow could be heavy at times. Low around 20. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
A 30 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of snow after midnight. Increasing clouds, with a low around 5. Wind chill values as low as -3. North wind 5 to 10 mph becoming light after midnight.
Monday
Partly sunny, with a high near 22. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Tuesday Night
Rain, possibly mixed with snow. Low around 32. Chance of precipitation is 90%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Thursday
A chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
3:11 pm CST Dec 6, 2025
Forecast Valid:
4pm CST Dec 6, 2025-6pm CST Dec 13, 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