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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

76°F

24°C

Humidity 79%
Wind Speed S 12 mph
Barometer 30.07 in (1017.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 7 Aug 8:51 am CDT
Extended Forecast for

Holiday Hills IL

  • Today

    Today: Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 67. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81. West northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 62. West northwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 67. Southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 81. West northwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 62. West northwest wind around 5 mph becoming calm.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Holiday Hills IL
 42.29°N 88.23°W
Last Update:
7:56 am CDT Aug 7, 2026
Forecast Valid:
9am CDT Aug 7, 2026-6pm CDT Aug 13, 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