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, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Partly Cloudy

88°F

31°C

Humidity	54%
Wind Speed	S 3 mph
Barometer	30.03 in (1016.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	16 Aug 10:51 am CDT

More Information:

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

Extended Forecast for

3 Miles ESE Harwood Heights IL

Today
High: 92 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms
Sunday
High: 80 °F
Slight Chance
T-storms
Sunday Night
Low: 72 °F
Slight Chance
T-storms
Monday
High: 90 °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: 75 °F
Partly Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 97. West southwest wind 5 to 10 mph becoming east southeast in the afternoon.

Tonight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming west northwest after midnight.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. Northeast wind 5 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. 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.

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 75.

Wednesday Night

Partly cloudy, with a low around 66.