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.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
3:11 pm CST Jan 23, 2026
4pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database