Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

71°F

22°C

Humidity 63%
Wind Speed E 10 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Aug 2:51 pm CDT
Extended Forecast for

Mc Cullom Lake IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Northwest wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. East wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 10am.  Mostly sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
2:51 pm CDT Aug 24, 2026
3pm CDT Aug 24, 2026-6pm CDT Aug 30, 2026
 
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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