Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

76°F

24°C

Humidity 56%
Wind Speed E 5 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 7:52 pm CDT
Extended Forecast for

Northbrook IL

  • Tonight

    Tonight: Partly cloudy, with a low around 67. East northeast wind around 5 mph becoming south southeast after midnight.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. East northeast wind around 5 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.13°N 87.83°W
7:06 pm CDT Aug 14, 2025
8pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database