National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

38°F

3°C

Humidity 83%
Wind Speed NE 9 mph
Barometer 30.13 in (1021.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Dec 12:51 pm CST
Extended Forecast for

Third Lake IL

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 39. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 11pm. Patchy fog after 2am. Low around 37. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Scattered
    Showers then
    Showers and
    Patchy Fog

  • Friday

    Friday: Scattered showers before 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 47. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 47 °F

    Scattered
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 41.

    Low: 41 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after noon. Cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 23. Blustery.

    High: 23 °F

    Partly Sunny
    and Blustery

Detailed Forecast

Christmas Day
Mostly cloudy, with a high near 39. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers, mainly after 11pm. Patchy fog after 2am. Low around 37. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers before 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 47. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of rain after midnight. Cloudy, with a low around 41.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 49. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 17. Blustery.
Monday
Partly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
12:51 pm CST Dec 25, 2025
Forecast Valid:
12pm CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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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