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

10°F

-12°C

Humidity 55%
Wind Speed NW 7 mph
Barometer 30.32 in (1029.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 30 Jan 12:51 am CST
Extended Forecast for

Mc Cullom Lake IL

  • Overnight

    Overnight: Cloudy, with a low around 1. Wind chill values as low as -10. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 1 °F

    Cloudy

  • Friday

    Friday: Snow showers likely, mainly before 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -12. North northwest wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 18 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -7. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Wind chill values as low as -5. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Monday Night

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

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 1. Wind chill values as low as -10. Northwest wind around 5 mph, with gusts as high as 10 mph.
Friday
Snow showers likely, mainly before 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -12. North northwest wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -7. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 23. Wind chill values as low as -5. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A chance of snow. Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Mostly cloudy, with a high near 28.
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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:
11:56 pm CST Jan 29, 2026
Forecast Valid:
1am CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation