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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

73°F

23°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.12 in (1018.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 6 Aug 11:51 am CDT
Extended Forecast for

Gurnee IL

  • This Afternoon

    This Afternoon: Isolated showers before 3pm. Mostly cloudy, with a high near 76. East southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind 5 to 10 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers before 3pm. Mostly cloudy, with a high near 76. East southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
11:36 am CDT Aug 6, 2026
Forecast Valid:
12pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026
 
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