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

75°F

24°C

Humidity	88%
Wind Speed	S 7 mph
Barometer	29.99 in (1014.3 mb)
Dewpoint	71°F (22°C)
Visibility	8.00 mi
Last update	17 Aug 1:53 am CDT

More Information:

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

Extended Forecast for

6 Miles NW Whiting IN

Flood Advisory until August 17, 04:00am

Flash Flood Warning until August 17, 04:30am

Severe T-storm Warning August 17, 02:51am until August 17, 03:15am

Click here for hazard details and duration

Flood Advisory

Flash Flood Warning

Severe T-storm Warning

Flood Advisory until August 17, 04:00am
Flash Flood Warning until August 17, 04:30am
Severe T-storm Warning August 17, 02:51am until August 17, 03:15am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 75 °F
T-storms
Likely
Sunday
High: 80 °F
Chance
T-storms
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 89 °F
Slight Chance
T-storms
Monday Night
Low: 74 °F
T-storms
Likely
Tuesday
High: 85 °F
Chance
T-storms
Tuesday Night
Low: 71 °F
Mostly Cloudy
Wednesday
High: 77 °F
Partly Sunny

Detailed Forecast

Overnight

Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 75. West northwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 80. North wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 71. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. 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. South 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 85.

Tuesday Night

Mostly cloudy, with a low around 71.

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.