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

27°F

-3°C

Humidity 78%
Wind Speed SW 17 mph
Barometer 30.20 in (1024.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 12 Jan 12:51 am CST
Extended Forecast for

Libertyville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 26. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 70%.

    High: 36 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14. Blustery.
Thursday
Partly sunny, with a high near 27.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 17.
Saturday
A chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.97°W
Last Update:
12:51 am CST Jan 12, 2026
Forecast Valid:
1am CST Jan 12, 2026-6pm CST Jan 18, 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