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.

Fair

2°F

-17°C

Humidity 63%
Wind Speed W 8 mph
Barometer 30.28 in (1028.7 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 19 Jan 9:51 pm CST
Extended Forecast for

Third Lake IL

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: 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 20 mph.

    High: 18 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after midnight. Temperature rising to around 24 by 3am. South wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F⇑

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 10. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -8.

    Low: -8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -13.

    Low: -13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -1. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
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 20 mph.
Tuesday Night
Snow, mainly after midnight. Temperature rising to around 24 by 3am. South wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 10. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around -8.
Friday
Partly sunny and cold, with a high near -2.
Friday Night
Mostly cloudy, with a low around -13.
Saturday
Mostly sunny and cold, with a high near 3.
Saturday Night
Mostly cloudy, with a low around -8.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
8:51 pm CST Jan 19, 2026
Forecast Valid:
10pm CST Jan 19, 2026-6pm CST Jan 26, 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