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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 7 mph
Barometer 30.11 in (1021.6 mb)
Dewpoint 24°F (-4°C)
Visibility 2.50 mi
Wind Chill19°F (-7°C)
Last update 1 Dec 5:51 pm CST
Extended Forecast for

Mc Henry IL

Winter Weather Advisory December 1, 06:10pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 06:10pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 13 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 21. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 21 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a temperature falling to near 16 by 8pm, then rising to around 23 during the remainder of the night. 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 60%. New snow accumulation of less than one inch possible.

    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 -2. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow before 11pm, then a chance of snow with intermittent flurries between 11pm and 1am. Low around 13. South wind around 5 mph becoming calm. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Mostly cloudy, with a high near 21. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Cloudy, with a temperature falling to near 16 by 8pm, then rising to around 23 during the remainder of the night. 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 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around -2. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 27.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Mostly cloudy, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Henry IL
 42.34°N 88.29°W
Last Update:
3:11 pm CST Dec 1, 2025
Forecast Valid:
6pm 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