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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

40°F

4°C

Humidity 35%
Wind Speed S 13 G 20 mph
Barometer 30.55 in (1035.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Mar 12:51 pm CDT
Extended Forecast for

Third Lake IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 38. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 41.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
1:21 pm CDT Mar 28, 2026
Forecast Valid:
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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