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.

Light Rain

54°F

12°C

Humidity 93%
Wind Speed NE 12 G 18 mph
Barometer 30.28 in (1025.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Oct 4:51 am CDT
Extended Forecast for

Third Lake IL

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 55. East northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers, mainly before 10am. Cloudy, with a high near 61. East northeast wind around 10 mph. Chance of precipitation is 50%.

    High: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. Northeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Mostly cloudy, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 55. East northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers, mainly before 10am. Cloudy, with a high near 61. East northeast wind around 10 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 51. Northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 71.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47.
Sunday
A chance of showers. Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 45.
Tuesday
A chance of showers. Mostly sunny, with a high near 63.
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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:
4:11 am CDT Oct 15, 2025
Forecast Valid:
5am CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
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