Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

68°F

20°C

Humidity 59%
Wind Speed SW 12 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Oct 11:52 pm CDT
Extended Forecast for

Northbrook IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 63. South southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am.  Mostly cloudy, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am.  Low around 51. South southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before 1am.  Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 1pm.  Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. South southwest wind around 15 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 51. South southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 44. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 47.
Tuesday
A chance of showers after 1pm. Mostly sunny, with a high near 54. Breezy.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Northbrook IL
 42.12°N 87.8°W
9:46 pm CDT Oct 17, 2025
12am CDT Oct 18, 2025-6pm CDT Oct 24, 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