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.

Light Snow Fog/Mist

26°F

-3°C

Humidity 92%
Wind Speed S 6 mph
Barometer 30.31 in (1028.3 mb)
Dewpoint 24°F (-4°C)
Visibility 1.25 mi
Wind Chill19°F (-7°C)
Last update 29 Nov 7:51 am CST
Extended Forecast for

Wonder Lake IL

Winter Storm Warning until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Today

    High: 27 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly before 5am. Patchy blowing snow before 7pm, then patchy blowing snow after 3am. Low around 27. Southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: A 50 percent chance of snow before noon. Patchy blowing snow before 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 30 by 11am, then falling to around 24 during the remainder of the day. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F⇓

    Chance Snow
    and Patchy
    Blowing Snow
    then Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 6. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 6 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 22. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow. The snow could be heavy at times. Patchy blowing snow after noon. Steady temperature around 27. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before 5am. Patchy blowing snow before 7pm, then patchy blowing snow after 3am. Low around 27. Southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 50 percent chance of snow before noon. Patchy blowing snow before 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 30 by 11am, then falling to around 24 during the remainder of the day. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 6. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Monday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 22. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
A chance of snow after noon. Mostly cloudy, with a high near 28.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 2.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
A chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
3:41 am CST Nov 29, 2025
Forecast Valid:
8am CST Nov 29, 2025-6pm CST Dec 5, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation