Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog

40°F

4°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.98 in (1016.1 mb)
Dewpoint 40°F (4°C)
Visibility 0.15 mi
Wind Chill35°F (2°C)
Last update 5 Mar 8:51 am CST
Extended Forecast for

Mc Cullom Lake IL

Dense Fog Advisory March 5, 09:36am until March 5, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 09:36am until March 5, 12:00pm

    NOW until 12:00pm Thu

    Dense Fog Advisory

  • Today

    High: 46 °F

    Slight Chance
    Drizzle and
    Dense Fog

  • Tonight

    Tonight: Widespread fog, mainly after midnight.  Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming east southeast in the evening. Winds could gust as high as 10 mph.

    Low: 39 °F

    Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon.  Areas of fog before noon. High near 69. East southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers and
    Areas Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 53. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    Low: 53 °F

    Chance
    T-storms then
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers before 9am.  Partly sunny, with a high near 58. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of drizzle before 1pm. Widespread dense fog, mainly before noon. Otherwise, cloudy, with a high near 46. Northeast wind around 5 mph, with gusts as high as 10 mph.
Tonight
Widespread fog, mainly after midnight. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming east southeast in the evening. Winds could gust as high as 10 mph.
Friday
A chance of showers and thunderstorms before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon. Areas of fog before noon. High near 69. East southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 53. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 58. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60. Breezy.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Showers likely. Partly sunny, with a high near 65.
Tuesday Night
Showers. Cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
9:16 am CST Mar 5, 2026
9am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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