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

-8°F

-22°C

Humidity 40%
Wind Speed NW 9 G 21 mph
Barometer 30.69 in (1043.3 mb)
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 23 Jan 3:51 pm CST
Extended Forecast for

Wonder Lake IL

Cold Weather Advisory January 23, 04:09pm until January 24, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 04:09pm until January 24, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -15 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 5. Wind chill values as low as -27. Northwest wind around 5 mph becoming calm in the morning.

    High: 5 °F

    Cold

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly after 9pm. Cloudy, with a low around 1. Wind chill values as low as -9. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 1 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 13. Wind chill values as low as -9. North wind 5 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 13 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -3. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 6.

    High: 6 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around -15. Wind chill values as low as -28. Northwest wind 5 to 10 mph.
Saturday
Mostly cloudy and cold, with a high near 5. Wind chill values as low as -27. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
A 50 percent chance of snow, mainly after 9pm. Cloudy, with a low around 1. Wind chill values as low as -9. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 13. Wind chill values as low as -9. North wind 5 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -3. North northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 6.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 15.
Tuesday Night
Partly cloudy, with a low around -2.
Wednesday
Partly sunny, with a high near 11.
Wednesday Night
Partly cloudy, with a low around -2.
Thursday
Mostly sunny, with a high near 12.
Thursday Night
Partly cloudy, with a low around 0.
Friday
Mostly sunny, with a high near 17.
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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 Jan 23, 2026
Forecast Valid:
4pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
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