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.

Overcast

30°F

-1°C

Humidity 75%
Wind Speed S 9 mph
Barometer 29.80 in (1010.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 5 Feb 6:51 pm CST
Extended Forecast for

Third Lake IL

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 29. South southwest wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 29 °F

    Cloudy then
    Snow

  • Friday

    Friday: Snow likely before 9am, then isolated snow showers after 3pm. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    then Isolated
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 7. Wind chill values as low as -4. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 7 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values as low as -4. North northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph in the evening. Winds could gust as high as 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 29. South southwest wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Friday
Snow likely before 9am, then isolated snow showers after 3pm. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 7. Wind chill values as low as -4. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 22. Wind chill values as low as -4. North northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph in the evening. Winds could gust as high as 10 mph.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
6:51 pm CST Feb 5, 2026
Forecast Valid:
6pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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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