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

38°F

3°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.35 in (1028.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 10 Apr 7:51 pm CDT
Extended Forecast for

Lake Bluff IL

  • Tonight

    Tonight: Partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 47. Light east wind becoming east southeast 5 to 10 mph in the morning.

    High: 47 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a temperature falling to near 45 by 8pm, then rising to around 52 during the remainder of the night. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 45 °F⇑

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Cloudy, with a low around 60. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 47. Light east wind becoming east southeast 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a temperature falling to near 45 by 8pm, then rising to around 52 during the remainder of the night. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Cloudy, with a low around 60. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Thursday
A chance of showers. Partly sunny, with a high near 73.
Thursday Night
A chance of showers. Partly cloudy, with a low around 52.
Friday
A chance of showers. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.88°W
Last Update:
5:51 pm CDT Apr 10, 2026
Forecast Valid:
8pm CDT Apr 10, 2026-6pm CDT Apr 17, 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