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.

Fair

11°F

-12°C

Humidity 56%
Wind Speed W 7 mph
Barometer 30.21 in (1025.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 4 Dec 8:51 pm CST
Extended Forecast for

Mc Cullom Lake IL

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -9. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 2 °F⇑

    Increasing
    Clouds

  • Friday

    Friday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 27. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 26. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Partly sunny, with a high near 22.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Tonight
Increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -9. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 27. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 26. Southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.
Saturday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow before noon. Partly sunny, with a high near 22.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 21.
Monday Night
Snow likely. Mostly cloudy, with a low around 13.
Tuesday
A chance of snow before noon. Mostly cloudy, with a high near 30.
Tuesday Night
Snow likely. Cloudy, with a low around 20.
Wednesday
Snow likely. Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 9.
Thursday
A chance of snow. Partly sunny, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
Last Update:
9:16 pm CST Dec 4, 2025
Forecast Valid:
9pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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