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.

Fair

28°F

-2°C

Humidity 58%
Wind Speed E 13 mph
Barometer 30.47 in (1033.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 1 Mar 3:51 pm CST
Extended Forecast for

Third Lake IL

  • Tonight

    Tonight: Partly cloudy, with a low around 23. East wind around 5 mph, with gusts as high as 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Isolated showers after 3am. Mostly cloudy, with a low around 32. East southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Cloudy, with a high near 41. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    High: 41 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 46. Chance of precipitation is 50%.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. East wind around 5 mph, with gusts as high as 10 mph.
Monday
Sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Isolated showers after 3am. Mostly cloudy, with a low around 32. East southeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Showers likely, mainly before noon. Cloudy, with a high near 41. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. East northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 46. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 52.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 41.
Friday
Showers. Cloudy, with a high near 66.
Friday Night
Showers likely. Mostly cloudy, with a low around 40.
Saturday
A chance of showers. Mostly cloudy, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
4:16 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
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