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

69°F

21°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Aug 10:51 am CDT
Extended Forecast for

Libertyville IL

  • Today

    Today: Sunny, with a high near 76. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.97°W
Last Update:
11:00 am CDT Aug 24, 2026
Forecast Valid:
11am CDT Aug 24, 2026-6pm CDT Aug 30, 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