National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

17°F

-8°C

Humidity 88%
Wind Speed W 8 mph
Barometer 30.01 in (1018.2 mb)
Dewpoint 14°F (-10°C)
Visibility 2.50 mi
Wind Chill7°F (-14°C)
Last update 2 Dec 9:51 am CST
Extended Forecast for

Mc Henry IL

  • Today

    Today: Partly sunny, with a high near 23. West southwest wind 5 to 10 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely. 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%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -1. Wind chill values as low as -14. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 12. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 23. West southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow likely. 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%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -1. Wind chill values as low as -14. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 12. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 22.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11.
Sunday
A chance of snow. Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Henry IL
 42.34°N 88.29°W
Last Update:
9:31 am CST Dec 2, 2025
Forecast Valid:
9am CST Dec 2, 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