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.

Overcast

34°F

1°C

Humidity 64%
Wind Speed SW 12 mph
Barometer 29.99 in (1016.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Mar 12:51 pm CDT
Extended Forecast for

Lake Bluff IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming east southeast around 5 mph in the morning.

    High: 41 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm. Winds could gust as high as 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming east southeast around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm. Winds could gust as high as 10 mph.
Friday
Mostly cloudy, with a high near 58. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.85°W
Last Update:
11:45 am CDT Mar 18, 2026
Forecast Valid:
1pm CDT Mar 18, 2026-6pm CDT Mar 24, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation