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.

Partly Cloudy

31°F

-1°C

Humidity 45%
Wind Speed NW 9 G 17 mph
Barometer 30.34 in (1028.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 28 Nov 12:51 pm CST
Extended Forecast for

Long Lake IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 30. West northwest wind 5 to 10 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow, mainly after 4am. Steady temperature around 23. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Mostly Cloudy
    then Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 30. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Low around 27. Southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow

  • Sunday

    Sunday: A 50 percent chance of snow before noon. Partly sunny, with a high near 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Chance Snow
    and Blustery
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 30. West northwest wind 5 to 10 mph.
Tonight
Snow, mainly after 4am. Steady temperature around 23. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 30. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow. Low around 27. Southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
A 50 percent chance of snow before noon. Partly sunny, with a high near 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly cloudy, with a high near 20.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
11:56 am CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 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