Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

27°F

-3°C

Humidity 53%
Wind Speed S 15 mph
Barometer 30.11 in (1021.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 1 Feb 3:51 pm CST
Extended Forecast for

Mc Cullom Lake IL

  • Tonight

    Tonight: Snow likely, mainly before 3am.  Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 12. West northwest wind around 5 mph.

    Low: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. North wind around 5 mph, with gusts as high as 10 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7. North wind around 5 mph becoming calm  in the evening.

    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

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow before midnight.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 3am. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 12. West northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 24. North wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 7. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 32.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
3:01 pm CST Feb 1, 2026
4pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
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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