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 / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

92°F

33°C

Humidity	52%
Wind Speed	N 7 mph
Barometer	30.05 in (1017.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	16 Aug 2:52 pm CDT

More Information:

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

Extended Forecast for

Lake Zurich IL

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

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 16, 07:00pm
NOW until 7:00pm Sat
Severe T-storm Watch
This Afternoon
High: 92 °F
Severe
Thunderstorms
Tonight
Low: 71 °F
Severe
Thunderstorms
Sunday
High: 81 °F
Slight Chance
T-storms
Sunday Night
Low: 70 °F
Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 72 °F
Chance
T-storms
Tuesday
High: 86 °F
Chance
T-storms
Tuesday Night
Low: 65 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 4pm. Some of the storms could be severe. Partly sunny, with a high near 92. Heat index values as high as 95. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 71. South southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 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. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. Northeast wind 5 to 10 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Tuesday Night

Mostly cloudy, with a low around 65.

Wednesday

Partly sunny, with a high near 76.

Wednesday Night

Partly cloudy, with a low around 62.

Thursday

Sunny, with a high near 80.