National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed SW 14 G 20 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 5 Nov 6:51 am CST
Extended Forecast for

Mc Cullom Lake IL

  • Today

    Today: Areas of drizzle with scattered showers. Cloudy, with a high near 51. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 51 °F

    Areas Drizzle

  • Tonight

    Tonight: Patchy drizzle with isolated showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 15 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Calm wind becoming west northwest around 5 mph in the morning.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Areas of drizzle with scattered showers. Cloudy, with a high near 51. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Tonight
Patchy drizzle with isolated showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 48. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 51. Calm wind becoming west northwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 38.
Veterans Day
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
Last Update:
6:51 am CST Nov 5, 2026
Forecast Valid:
7am CST Nov 5, 2026-6pm CST Nov 11, 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