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

45°F

7°C

Humidity 58%
Wind Speed SE 14 mph
Barometer 30.32 in (1027.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Apr 12:51 pm CDT
Extended Forecast for

Lake Bluff IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 49. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

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

    High: 74 °F

    Partly 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 in the evening. Winds could gust as high as 10 mph.

    Low: 46 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 49. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 43. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly 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 in the evening. Winds could gust as high as 10 mph.
Wednesday
Mostly sunny, with a high near 61. East northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.88°W
Last Update:
12:41 pm CDT Apr 20, 2026
Forecast Valid:
1pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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