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.

Light Snow Fog/Mist

27°F

-3°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.18 in
Dewpoint 24°F (-4°C)
Visibility 2.50 mi
Last update 1 Dec 3:51 pm CST
Extended Forecast for

Long Lake IL

Winter Weather Advisory December 1, 04:32pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 04:32pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 28 °F

    Snow

  • Tonight

    Tonight: Snow before 11pm, then a chance of snow with intermittent flurries between 11pm and 1am. Low around 13. Calm wind becoming west around 5 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 22. West wind 5 to 10 mph.

    High: 22 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 16. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 32 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around -1.

    Low: -1 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 28. South wind around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow before 11pm, then a chance of snow with intermittent flurries between 11pm and 1am. Low around 13. Calm wind becoming west around 5 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday
Mostly cloudy, with a high near 22. West wind 5 to 10 mph.
Tuesday Night
Cloudy, with a low around 16. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow showers likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around -1.
Thursday
Sunny, with a high near 12.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Mostly cloudy, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
3:11 pm CST Dec 1, 2025
Forecast Valid:
4pm CST Dec 1, 2025-6pm CST Dec 8, 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