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

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Thunderstorm

78°F

26°C

Humidity	71%
Wind Speed	S 8 G 16 mph
Barometer	30.00 in (1015.2 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	16 Aug 5:51 pm CDT

More Information:

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

Extended Forecast for

Harwood Heights IL

Severe T-storm Watch until August 16, 07:00pm

Click here for hazard details and duration

...

Severe T-storm Watch until August 16, 07:00pm
NOW until 7:00pm Sat
Severe T-storm Watch
Tonight
Low: 73 °F
Severe
Thunderstorms
Sunday
High: 81 °F
Slight Chance
T-storms
Sunday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 87 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 76 °F
Partly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 73. Northeast wind 5 to 15 mph becoming south southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 100. South 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 87.

Tuesday Night

Mostly cloudy, with a low around 68.

Wednesday

Partly sunny, with a high near 76.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Sunny, with a high near 80.

Thursday Night

Clear, with a low around 66.