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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair and Breezy

90°F

32°C

Humidity 59%
Wind Speed SW 24 G 36 mph
Barometer 29.85 in (1009.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 30 Jun 6:51 pm CDT
Extended Forecast for

Lindenhurst IL

Extreme Heat Warning June 30, 07:17pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 07:17pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence Day

    Independence Day: A chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 77. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lindenhurst IL
 42.42°N 88.02°W
Last Update:
2:46 pm CDT Jun 30, 2026
Forecast Valid:
7pm CDT Jun 30, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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