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Hazardous Weather Conditions

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 NE 3 mph
Barometer 29.95 in (1015.1 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 5 Mar 3:51 am CST
Extended Forecast for

Lake Bluff IL

Dense Fog Advisory March 5, 03:57am until March 5, 03:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 03:57am until March 5, 03:00pm

    NOW until 3:00pm Thu

    Dense Fog Advisory

  • Overnight

    Low: 37 °F

    Patchy
    Drizzle and
    Dense Fog

  • Thursday

    Thursday: Patchy drizzle with a slight chance of showers before 9am, then a chance of showers between 9am and 2pm. Widespread dense fog, mainly before 3pm. Otherwise, cloudy, with a high near 39. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Showers and
    Dense Fog

  • Thursday Night

    Thursday Night: Widespread fog, mainly after 9pm. Otherwise, cloudy, with a low around 39. North northeast wind around 5 mph becoming southeast after midnight.

    Low: 39 °F

    Fog

  • Friday

    Friday: A slight chance of showers before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon. Widespread fog, mainly before 9am. High near 64. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Fog then
    Slight Chance
    T-storms and
    Areas Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 9am. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Overnight
Patchy drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 37. North northeast wind around 5 mph.
Thursday
Patchy drizzle with a slight chance of showers before 9am, then a chance of showers between 9am and 2pm. Widespread dense fog, mainly before 3pm. Otherwise, cloudy, with a high near 39. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Widespread fog, mainly after 9pm. Otherwise, cloudy, with a low around 39. North northeast wind around 5 mph becoming southeast after midnight.
Friday
A slight chance of showers before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon. Widespread fog, mainly before 9am. High near 64. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Showers likely. Partly sunny, with a high near 61.
Tuesday Night
Showers. Cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.88°W
Last Update:
3:45 am CST Mar 5, 2026
Forecast Valid:
3am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation