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.

Overcast

23°F

-5°C

Humidity 60%
Wind Speed W 6 mph
Barometer 30.08 in (1020.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 3 Jan 9:51 pm CST
Extended Forecast for

Libertyville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West northwest wind around 5 mph becoming calm after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 30. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of freezing rain and sleet before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 28. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Wintry Mix
    then Mostly
    Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 41. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 41 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. West northwest wind around 5 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 30. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
A slight chance of freezing rain and sleet before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 28. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Increasing clouds, with a high near 41. West southwest wind around 5 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A chance of rain after noon. Partly sunny, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 29.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.94°W
Last Update:
9:36 pm CST Jan 3, 2026
Forecast Valid:
10pm CST Jan 3, 2026-6pm CST Jan 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