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.

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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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