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

72°F

22°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 29.94 in (1012.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Sep 11:51 pm CDT
Extended Forecast for

Libertyville IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. South wind around 5 mph becoming west southwest.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 92. Heat index values as high as 102. North northeast wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 92 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind around 5 mph becoming north after midnight.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Northeast wind 5 to 10 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. South wind around 5 mph becoming west southwest.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 92. Heat index values as high as 102. North northeast wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind around 5 mph becoming north after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 64.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.94°W
Last Update:
12:30 am CDT Sep 4, 2026
Forecast Valid:
12am CDT Sep 4, 2026-6pm CDT Sep 10, 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