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

21°F

-6°C

Humidity 92%
Wind Speed W 6 mph
Barometer 29.96 in (1016.7 mb)
Dewpoint 19°F (-7°C)
Visibility 9.00 mi
Wind Chill13°F (-11°C)
Last update 30 Dec 8:51 pm CST
Extended Forecast for

Long Lake IL

  • Tonight

    Tonight: Snow and freezing rain before midnight, then patchy freezing rain between midnight and 1am. Steady temperature around 24. West wind around 10 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.

    Low: 24 °F

    Wintry Mix
    then Patchy
    Freezing Rain

  • Wednesday

    Wednesday: A chance of flurries between 9am and noon, then snow likely after noon. Cloudy, with a high near 30. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 20. Wind chill values as low as -3. West wind around 5 mph, with gusts as high as 10 mph.

    High: 20 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. West southwest wind around 5 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow and freezing rain before midnight, then patchy freezing rain between midnight and 1am. Steady temperature around 24. West wind around 10 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.
Wednesday
A chance of flurries between 9am and noon, then snow likely after noon. Cloudy, with a high near 30. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 7. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
New Year's Day
Partly sunny, with a high near 20. Wind chill values as low as -3. West wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly cloudy, with a low around 13. West southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly cloudy, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
9:01 pm CST Dec 30, 2025
Forecast Valid:
9pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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