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.

Fair

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.38 in (1029.7 mb)
Dewpoint 30°F (-1°C)
Visibility 8.00 mi
Last update 11 Apr 1:51 am CDT
Extended Forecast for

Gurnee IL

Flood Warning April 11, 02:30am until April 12, 01:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 11, 02:30am until April 12, 01:00pm

    NOW until 1:00pm Sun

    Flood Warning

  • Overnight

    Low: 32 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 50. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 9pm. Mostly cloudy, with a low around 44. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 60. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 60 °F

    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 32. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 50. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 50 percent chance of showers, mainly after 9pm. Mostly cloudy, with a low around 44. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Sunday Night
Showers and possibly a thunderstorm. Low around 60. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 55.
Thursday
A chance of showers. Partly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 55.
Friday
A chance of showers. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
1:21 am CDT Apr 11, 2026
Forecast Valid:
2am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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