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.
Basemap Options
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ABOUT THIS FORECAST

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