Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1016.2 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 5 Mar 1:51 am CST
Extended Forecast for

Wonder Lake IL

Dense Fog Advisory March 5, 02:38am until March 5, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 02:38am until March 5, 12:00pm

    NOW until 12:00pm Thu

    Dense Fog Advisory

  • Overnight

    Low: 38 °F

    Slight Chance
    Drizzle and
    Areas Dense
    Fog

  • Thursday

    Thursday: A slight chance of drizzle before 11am, then a slight chance of showers between 11am and 1pm.  Areas of dense fog.  Otherwise, cloudy, with a high near 46. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Showers and
    Areas Dense
    Fog

  • Thursday Night

    Thursday Night: Widespread fog, mainly after midnight.  Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming southeast after midnight. 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. 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%.

    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 57. Breezy.

    High: 57 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

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

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Overnight
A slight chance of drizzle. Areas of dense fog. Otherwise, cloudy, with a low around 38. Northeast wind around 5 mph.
Thursday
A slight chance of drizzle before 11am, then a slight chance of showers between 11am and 1pm. Areas of dense fog. Otherwise, cloudy, with a high near 46. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Widespread fog, mainly after midnight. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming southeast after midnight. 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. 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%.
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 57. Breezy.
Saturday Night
Mostly clear, with a low around 33.
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
A chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
2:01 am CST Mar 5, 2026
2am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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