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.

Freezing Fog

29°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 30.22 in (1024.6 mb)
Dewpoint 29°F (-2°C)
Visibility 0.25 mi
Last update 4 Mar 6:51 am CST
Extended Forecast for

Third Lake IL

Dense Fog Advisory March 4, 07:30am until March 4, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 4, 07:30am until March 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 44 °F

    Dense Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A slight chance of showers or drizzle before midnight, then showers likely, mainly after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of dense fog. High near 45. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 45 °F

    Showers and
    Areas Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, cloudy, with a low around 40. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. High near 68. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 68 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers, then showers and possibly a thunderstorm after 9pm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Today
Widespread dense fog, mainly before 8am. Otherwise, mostly cloudy, with a high near 44. East wind 5 to 10 mph.
Tonight
A slight chance of showers or drizzle before midnight, then showers likely, mainly after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of dense fog. High near 45. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Patchy fog. Otherwise, cloudy, with a low around 40. Northeast wind around 5 mph becoming southeast after midnight.
Friday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. High near 68. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Friday Night
A slight chance of showers, then showers and possibly a thunderstorm after 9pm. Low around 50. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 60. Breezy.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Showers likely. Partly sunny, with a high near 68. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 88.02°W
Last Update:
6:56 am CST Mar 4, 2026
Forecast Valid:
7am CST Mar 4, 2026-6pm CDT Mar 10, 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