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 Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

94°F

34°C

Humidity	49%
Wind Speed	NW 9 mph
Barometer	30.04 in (1015.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	16 Aug 1:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles NNE Chicago 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: 89 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms
Sunday
High: 79 °F
Slight Chance
T-storms
Sunday Night
Low: 74 °F
Slight Chance
T-storms
Monday
High: 88 °F
Chance
T-storms
Monday Night
Low: 76 °F
Chance
T-storms
Tuesday
High: 85 °F
Chance
T-storms
Tuesday Night
Low: 70 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 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 76.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Tuesday Night

Mostly cloudy, with a low around 70.

Wednesday

Partly sunny, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 68.