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

5 Miles SSE Lincolnwood IL

Flood Advisory until August 17, 04:00am

Severe T-storm Warning August 17, 02:54am until August 17, 03:15am

Click here for hazard details and duration

Flood Advisory

Severe T-storm Warning

Flood Advisory until August 17, 04:00am
Severe T-storm Warning August 17, 02:54am until August 17, 03:15am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 73 °F
T-storms
Likely
Sunday
High: 78 °F
Chance
T-storms then
Partly Sunny
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 74 °F
T-storms
Likely
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 71 °F
Mostly Cloudy
Wednesday
High: 76 °F
Partly Sunny

Detailed Forecast

Overnight

Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 73. North northwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A 30 percent chance of showers and thunderstorms 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 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Southeast wind around 10 mph, with gusts as high as 15 mph.

Monday Night

Showers and thunderstorms likely, mainly after 1am. Mostly 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 71.

Wednesday

Partly sunny, with a high near 76.

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.