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

37°F

3°C

Humidity 48%
Wind Speed E 12 mph
Barometer 30.42 in (1031.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Mar 3:51 pm CDT
Extended Forecast for

Libertyville IL

  • Tonight

    Tonight: Increasing clouds, with a low around 28. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 28. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 51. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southeast wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 50. South southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.94°W
Last Update:
2:46 pm CDT Mar 23, 2026
Forecast Valid:
4pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
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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