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

82°F

28°C

Humidity 44%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1018.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Jul 12:51 pm CDT
Extended Forecast for

Lake Bluff IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. East southeast wind around 5 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southeast wind around 5 mph becoming west southwest after midnight.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. West southwest wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. East southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 67. Southeast wind around 5 mph becoming west southwest after midnight.
Wednesday
Sunny, with a high near 86. West southwest wind 5 to 10 mph becoming south southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.82°W
Last Update:
1:21 pm CDT Jul 7, 2026
Forecast Valid:
1pm CDT Jul 7, 2026-6pm CDT Jul 13, 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