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

20°F

-7°C

Humidity 92%
Wind Speed W 6 mph
Barometer 29.95 in (1015.9 mb)
Dewpoint 18°F (-8°C)
Visibility 6.00 mi
Wind Chill12°F (-11°C)
Last update 2 Dec 3:51 am CST
Extended Forecast for

Fox Lake IL

  • Today

    Today: Patchy freezing fog before 8am. Partly sunny, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 23 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 20 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: Mostly cloudy, then gradually becoming mostly clear, 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

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 12. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny
    then Slight
    Chance Snow

  • 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
Patchy freezing fog before 8am. Partly sunny, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a temperature rising to around 23 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 20 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
Mostly cloudy, then gradually becoming mostly clear, 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 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 0.
Friday
A 20 percent chance of snow after noon. 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 24.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fox Lake IL
 42.42°N 88.2°W
Last Update:
3:51 am CST Dec 2, 2025
Forecast Valid:
4am 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