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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

40°F

4°C

Humidity 86%
Wind Speed S 5 mph
Barometer 30.06 in (1018.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 24 Dec 10:51 pm CST
Extended Forecast for

Mc Cullom Lake IL

  • Tonight

    Tonight: A slight chance of drizzle before 1am. Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 36. North wind 5 to 10 mph.

    Low: 36 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 40. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Steady temperature around 38. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: A 50 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 35. North northwest wind around 5 mph becoming calm.

    Low: 35 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 45.

    High: 45 °F

    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 38.

    Low: 38 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Cloudy then
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Blustery.
    Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
A slight chance of drizzle before 1am. Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 36. North wind 5 to 10 mph.
Christmas Day
Cloudy, with a high near 40. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after midnight. Steady temperature around 38. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Cloudy, with a low around 35. North northwest wind around 5 mph becoming calm.
Saturday
Cloudy, with a high near 45.
Saturday Night
Cloudy, with a low around 38.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 40. Breezy.
Sunday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 12. Blustery.
Monday
Mostly sunny, with a high near 22. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 27. Blustery.
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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:
9:06 pm CST Dec 24, 2025
Forecast Valid:
11pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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