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.

Light Rain

70°F

21°C

Humidity 82%
Wind Speed SW 8 mph
Barometer 29.80 in (1007.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Jun 1:51 am CDT
Extended Forecast for

Third Lake IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 5 mph.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms. High near 75. East southeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 61. North wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    T-storms
    Likely then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 94. Breezy.

    High: 94 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 5 mph.
Wednesday
Showers and thunderstorms. High near 75. East southeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 61. North wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Sunny, with a high near 94. Breezy.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.35°N 87.99°W
Last Update:
12:41 am CDT Jun 18, 2025
Forecast Valid:
1am CDT Jun 18, 2025-6pm CDT Jun 24, 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