Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

-1°F

-18°C

Humidity 75%
Wind Speed W 7 mph
Barometer 30.31 in (1029.4 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 20 Jan 5:51 am CST
Extended Forecast for

Third Lake IL

Winter Weather Advisory January 20, 08:00pm until January 21, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Increasing clouds, with a high near 18. Wind chill values as low as -14. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 18 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after midnight.  Temperature rising to around 20 by 4am. South wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 9am.  Mostly cloudy, with a high near 26. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Snow showers likely before midnight.  Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 10. Wind chill values as low as -2. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 18. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -9.

    Low: -9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -1.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 5.

    High: 5 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 18. Wind chill values as low as -14. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Snow, mainly after midnight. Temperature rising to around 20 by 4am. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 26. West wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Snow showers likely before midnight. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 10. Wind chill values as low as -2. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Mostly sunny, with a high near 18. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -9.
Friday
Mostly sunny and cold, with a high near -1.
Friday Night
Partly cloudy, with a low around -10.
Saturday
Mostly cloudy and cold, with a high near 5.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around -1.
Monday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
5:55 am CST Jan 20, 2026
6am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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