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

27°C

81°F

Humidity 49%
Wind Speed W 9 km/h
Barometer 1015.6 mb (30.03 in)
Dewpoint 16°C (60°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 13 Jul 1:51 pm CDT
Extended Forecast for

Gurnee IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 27. West wind 10 to 15 km/h.

    High: 27 °C

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind 5 to 10 km/h.

    Low: 18 °C

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 30. South wind around 10 km/h.

    High: 30 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. South wind 5 to 10 km/h.

    Low: 19 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 29. South wind 5 to 15 km/h.

    High: 29 °C

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. Chance of precipitation is 50%.

    High: 31 °C

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 19.

    Low: 19 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 26.

    High: 26 °C

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 27. West wind 10 to 15 km/h.
Tonight
Partly cloudy, with a low around 18. West wind 5 to 10 km/h.
Monday
Sunny, with a high near 30. South wind around 10 km/h.
Monday Night
Mostly clear, with a low around 19. South wind 5 to 10 km/h.
Tuesday
Sunny, with a high near 29. South wind 5 to 15 km/h.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 21.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 19.
Thursday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 17.
Saturday
A chance of showers. Partly sunny, with a high near 27.
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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:
12:42 pm CDT Jul 13, 2025
Forecast Valid:
1pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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