Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

-2°F

-19°C

Humidity 53%
Wind Speed NW 12 G 24 mph
Barometer 30.39 in (1031.9 mb)
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 23 Jan 2:51 am CST
Extended Forecast for

Third Lake IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 03:02am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 03:02am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Overnight

    Low: -13 °F

    Chance
    Flurries and
    Blustery

  • Friday

    Friday: A chance of flurries before noon.  Sunny and cold, with a high near -4. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -4 °F

    Chance
    Flurries

  • Friday Night

    Friday Night: Partly cloudy, with a low around -15. Wind chill values as low as -30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -15 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow.  Mostly cloudy and cold, with a high near 7. Wind chill values as low as -28. Northwest wind around 5 mph.

    High: 7 °F

    Slight Chance
    Snow

  • Saturday Night

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

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow.  Cloudy, with a high near 16.

    High: 16 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around -3.

    Low: -3 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around -13. Wind chill values as low as -33. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
A chance of flurries before noon. Sunny and cold, with a high near -4. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around -15. Wind chill values as low as -30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 7. Wind chill values as low as -28. Northwest wind around 5 mph.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 2. North northeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 16.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -3.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny, with a high near 16.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Mostly sunny, with a high near 12.
Wednesday Night
Mostly cloudy, with a low around -2.
Thursday
Mostly sunny, with a high near 12.
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ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
2:01 am CST Jan 23, 2026
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database