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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

74°F

23°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 9:52 am CDT
Extended Forecast for

Northbrook IL

  • Today

    Today: Sunny, with a high near 78. North wind 5 to 10 mph becoming east in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. East southeast wind around 5 mph becoming southwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Slight Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 1am. Cloudy during the early evening, then gradual clearing, with a low around 48. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 65. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. North wind 5 to 10 mph becoming east in the afternoon.
Tonight
Partly cloudy, with a low around 62. East southeast wind around 5 mph becoming southwest after midnight.
Wednesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers before 1am. Cloudy during the early evening, then gradual clearing, with a low around 48. Northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 65. West northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.1°N 87.84°W
Last Update:
10:26 am CDT Sep 2, 2025
Forecast Valid:
10am CDT Sep 2, 2025-6pm CDT Sep 8, 2025
 
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Additional Resources

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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