Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

67°F

19°C

Humidity 63%
Wind Speed NE 7 mph
Barometer 30.18 in (1021.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Aug 6:51 pm CDT
Extended Forecast for

Mc Cullom Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 49. East wind around 5 mph becoming north after midnight.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. East wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. East wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm.  Partly sunny, with a high near 73.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 49. East wind around 5 mph becoming north after midnight.
Sunday
Sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. East wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Showers likely, mainly after 1pm. Partly sunny, with a high near 73.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
4:11 pm CDT Aug 30, 2025
7pm CDT Aug 30, 2025-6pm CDT Sep 6, 2025
 
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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