Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

56°F

13°C

Humidity 77%
Wind Speed Calm
Barometer 29.97 in (1014.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 27 May 12:51 am CDT
Extended Forecast for

Long Lake IL

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. East northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northeast wind 5 to 10 mph becoming light north northeast  after midnight.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Wednesday
Sunny, with a high near 82. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 69. East northeast wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 49. Northeast wind 5 to 10 mph becoming light north northeast after midnight.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
12:31 am CDT May 27, 2026
1am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database