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.

Fog

55°F

13°C

Humidity NA
Wind Speed E 8 mph
Barometer 29.73 in (1006.3 mb)
Dewpoint N/A
Visibility 0.25 mi
Wind Chill53°F (12°C)
Last update 14 May 9:51 pm CDT
Extended Forecast for

2 Miles ESE Waukegan IL

Dense Fog Advisory until May 15, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until May 15, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 54 °F

    Fog

  • Thursday

    Thursday: Isolated showers and thunderstorms after 4pm. Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 75 °F

    Fog then
    Isolated
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Breezy, with a south wind 10 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    T-storms and
    Breezy then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 85. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 85 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Slight Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Breezy.

    High: 68 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread fog. Otherwise, mostly cloudy, with a low around 54. East wind around 5 mph, with gusts as high as 15 mph.
Thursday
Isolated showers and thunderstorms after 4pm. Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Breezy, with a south wind 10 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 85. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 68. Breezy.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 44.
Monday
Partly sunny, with a high near 54.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Showers likely. Mostly cloudy, with a high near 61.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Waukegan IL
 42.37°N 87.85°W
Last Update:
10:06 pm CDT May 14, 2025
Forecast Valid:
10pm CDT May 14, 2025-6pm CDT May 21, 2025
 
Forecast Discussion
 
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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