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.

Partly Cloudy

76°F

24°C

Humidity 50%
Wind Speed NW 13 G 21 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 5:51 pm CDT
Extended Forecast for

Libertyville IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.94°W
Last Update:
6:16 pm CDT Aug 22, 2026
Forecast Valid:
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 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