National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

44°F

7°C

Humidity 96%
Wind Speed Calm
Barometer 30.38 in (1028.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Oct 2:52 am CDT
Extended Forecast for

Northbrook IL

Dense Fog Advisory until October 20, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until October 20, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 8am. Otherwise, sunny, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 66 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of dense fog after 4am. Otherwise, partly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear
    then Areas
    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming south southwest around 5 mph.

    High: 71 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a steady temperature around 48. Calm wind.
Tuesday
Areas of dense fog before 8am. Otherwise, sunny, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Areas of dense fog after 4am. Otherwise, partly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening.
Wednesday
Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 49. Calm wind.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.15°N 87.86°W
Last Update:
2:26 am CDT Oct 20, 2026
Forecast Valid:
3am CDT Oct 20, 2026-6pm CDT Oct 26, 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