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

13°F

-11°C

Humidity 81%
Wind Speed W 6 mph
Barometer 30.36 in (1030.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 31 Jan 11:51 pm CST
Extended Forecast for

Mc Cullom Lake IL

  • Overnight

    Overnight: Mostly clear, with a low around 7. Wind chill values as low as -1. West wind around 5 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Wind chill values as low as -1. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 18. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Likely

  • Monday

    Monday: Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 27 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. West northwest wind around 5 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 7. Wind chill values as low as -1. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 27. Wind chill values as low as -1. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely. Cloudy, with a low around 18. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 11. West northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 21.
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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:
11:41 pm CST Jan 31, 2026
Forecast Valid:
12am CST Feb 1, 2026-6pm CST Feb 7, 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