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

63°F

17°C

Humidity 29%
Wind Speed S 17 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Mar 12:51 pm CDT
Extended Forecast for

Third Lake IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. Temperature rising to near 62 by noon, then falling to around 47 during the remainder of the day. South southwest wind 5 to 10 mph becoming north northeast 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F⇓

    Mostly Sunny
    then Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Some of the storms could be severe. Low around 29. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 29 °F

    Blustery.
    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. Temperature rising to near 62 by noon, then falling to around 47 during the remainder of the day. South southwest wind 5 to 10 mph becoming north northeast 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Some of the storms could be severe. Low around 29. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 68.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
1:31 pm CDT Mar 25, 2026
Forecast Valid:
1pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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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