Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Thunderstorm Light Rain

74°F

23°C

Humidity	82%
Wind Speed	SW 7 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	16 Aug 7:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Northbrook IL

Tonight
Low: 72 °F
T-storms then
Chance
T-storms
Sunday
High: 79 °F
Slight Chance
T-storms
Sunday Night
Low: 71 °F
Partly Cloudy
then Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 75 °F
Partly Sunny
Wednesday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before 11pm. Low around 72. South wind around 5 mph becoming west northwest in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. North northeast wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind around 5 mph, with gusts as high as 10 mph.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Tuesday Night

Mostly cloudy, with a low around 68.

Wednesday

Partly sunny, with a high near 75.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Sunny, with a high near 77.

Thursday Night

Clear, with a low around 67.