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

71°F

22°C

Humidity 84%
Wind Speed N 6 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 7:52 am CDT
Extended Forecast for

Northbrook IL

  • Today

    Today: Isolated showers. Partly sunny, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 64. East southeast wind around 5 mph becoming west southwest after midnight.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. North northeast wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers. Partly sunny, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 64. East southeast wind around 5 mph becoming west southwest after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 75. North northeast wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers after 1am. Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.13°N 87.83°W
Last Update:
5:26 am CDT Aug 17, 2026
Forecast Valid:
8am CDT Aug 17, 2026-6pm CDT Aug 23, 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