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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

-11°F

-24°C

Humidity 37%
Wind Speed NW 15 G 23 mph
Barometer 30.69 in (1042.7 mb)
Dewpoint -30°F (-34°C)
Visibility 10.00 mi
Wind Chill-33°F (-36°C)
Last update 23 Jan 10:51 am CST
Extended Forecast for

Great Lakes IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 11:49am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 11:49am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Today

    High: -4 °F

    Cold

  • Tonight

    Tonight: Increasing clouds, with a low around -12. Wind chill values as low as -30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -12 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -26. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 9 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Cloudy, with a low around 5. Wind chill values as low as -2. North northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 5 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, with a high near 18. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 18 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny and cold, with a high near -4. Wind chill values as low as -29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around -12. Wind chill values as low as -30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -26. Northwest wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 5. Wind chill values as low as -2. North northeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
Snow likely, mainly before noon. Cloudy, with a high near 18. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 11.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Mostly sunny, with a high near 13.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Mostly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Lakes IL
 42.3°N 87.85°W
Last Update:
9:17 am CST Jan 23, 2026
Forecast Valid:
11am CST Jan 23, 2026-6pm CST Jan 29, 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