National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

76°F

24°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Oct 1:51 pm CDT
Extended Forecast for

Gurnee IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. South southeast wind around 5 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 75. South southeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 59. South southwest wind around 5 mph, with gusts as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers after 1pm. Partly sunny, with a high near 66.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
A chance of showers. Mostly cloudy, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.96°W
Last Update:
1:41 pm CDT Oct 10, 2026
Forecast Valid:
2pm CDT Oct 10, 2026-6pm CDT Oct 16, 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