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.

Light Rain

73°F

23°C

Humidity 96%
Wind Speed S 12 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 19 Aug 12:52 am CDT
Extended Forecast for

Northbrook IL

Flood Watch August 19, 12:59am until August 19, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 19, 12:59am until August 19, 04:00am

    NOW until 4:00am Tue

    Flood Watch

  • Overnight

    Low: 72 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 84. West northwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. North wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 1am. Cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 20 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 84. West northwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 69. North wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 78. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.13°N 87.86°W
Last Update:
12:41 am CDT Aug 19, 2025
Forecast Valid:
12am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
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