Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

33°F

1°C

Humidity 89%
Wind Speed E 3 mph
Barometer 30.34 in (1028.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 6:51 am CDT
Extended Forecast for

Libertyville IL

Flood Warning until further notice
Freeze Warning April 20, 07:48am until April 20, 09:00am
Click here for hazard details and duration
Flood Warning until further notice
...
  •  
    Flood Warning until further notice
    Freeze Warning April 20, 07:48am until April 20, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 51 °F

    Frost then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Southeast wind around 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 46. West wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.

    Low: 46 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 66. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 43. Southeast wind around 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 46. West wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 66. North northeast wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60.
Friday
A chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.97°W
5:41 am CDT Apr 20, 2026
7am CDT Apr 20, 2026-6pm CDT Apr 26, 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