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

61°F

16°C

Humidity 87%
Wind Speed W 10 G 22 mph
Barometer 29.46 in (996.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Jun 4:51 am CDT
Extended Forecast for

Third Lake IL

  • Today

    Today: Mostly sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 75. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 56. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 54. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 75. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 56. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
3:36 am CDT Jun 18, 2026
Forecast Valid:
5am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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