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 92%
Wind Speed W 3 mph
Barometer 29.99 in (1017.5 mb)
Dewpoint 15°F (-9°C)
Visibility 2.50 mi
Last update 2 Dec 7:51 am CST
Extended Forecast for

Third Lake IL

  • Today

    Today: Partly sunny, with a high near 24. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 24 by 5am. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 33. Southwest wind around 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: 33 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -13. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 14. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 14 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 24. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a temperature rising to around 24 by 5am. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 33. Southwest wind around 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
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -13. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 14. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 1.
Friday
A 20 percent chance of snow after noon. Partly sunny, with a high near 24.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
A chance of snow. Partly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.35°N 87.99°W
Last Update:
3:51 am CST Dec 2, 2025
Forecast Valid:
8am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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