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.

Thunderstorm Light Rain

71°F

22°C

Humidity	90%
Wind Speed	SW 10 mph
Barometer	30.04 in (1016.2 mb)
Dewpoint	68°F (20°C)
Visibility	7.00 mi
Last update	17 Aug 4:53 am CDT

More Information:

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

Extended Forecast for

4 Miles E Chicago IL

Flood Advisory until August 17, 07:30am

Click here for hazard details and duration

Flood Advisory

Flood Advisory until August 17, 07:30am
NOW until 7:30am Sun
Flood Advisory
Overnight
Low: 75 °F
Chance
T-storms
Sunday
High: 78 °F
Chance
T-storms
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 88 °F
Slight Chance
T-storms
Monday Night
Low: 74 °F
T-storms
Likely
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 72 °F
Mostly Cloudy
Wednesday
High: 77 °F
Partly Sunny

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Northwest wind around 5 mph, with gusts as high as 10 mph.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 78. North northeast wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 71. North northeast wind 10 to 15 mph becoming east southeast after midnight.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind around 10 mph, with gusts as high as 15 mph.

Monday Night

Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 74. Southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

Tuesday Night

Mostly cloudy, with a low around 72.

Wednesday

Partly sunny, with a high near 77.

Wednesday Night

Partly cloudy, with a low around 69.

Thursday

Sunny, with a high near 78.

Thursday Night

Mostly clear, with a low around 69.