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.

Mostly Cloudy

94°F

34°C

Humidity	48%
Wind Speed	E 13 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	16 Aug 3:51 pm CDT

More Information:

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

Extended Forecast for

Berkeley IL

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

Severe T-storm Warning August 16, 04:48pm until August 16, 05:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Warning

Severe T-storm Watch until August 16, 07:00pm
Severe T-storm Warning August 16, 04:48pm until August 16, 05:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 91 °F
Severe
Thunderstorms
Tonight
Low: 74 °F
Severe
Thunderstorms
Sunday
High: 83 °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: 88 °F
Chance
T-storms
Tuesday Night
Low: 69 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 91. Heat index values as high as 95. East southeast wind around 10 mph, with gusts as high as 15 mph.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half 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 83. Northeast wind 5 to 10 mph.

Sunday Night

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

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Tuesday Night

Mostly cloudy, with a low around 69.

Wednesday

Partly sunny, with a high near 78.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Sunny, with a high near 81.