Urban and Small Stream Flood Advisory for northern Illinois until 8:15PM including portions of Lake, DeKalb, Kane, McHenry, DuPage, Cook and Boone Counties

Rte 83 between Rte 120 & Center St

Update 6:15PM CDT…

…THE URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT UNTIL
815 PM CDT FOR SOUTHWESTERN LAKE…NORTHERN DE KALB…NORTHERN
KANE…SOUTHERN MCHENRY…NORTHERN DUPAGE…NORTHWESTERN COOK AND
SOUTHERN BOONE COUNTIES…

At 615 PM CDT, Doppler radar estimated that up to two inches of rain
fell with the thunderstorms earlier this afternoon. The rapid
rainfall led to urban and small stream flooding in the advisory
area. No additional thunderstorms are expected tonight.

Some locations that will experience flooding include…
Chicago, Elgin, Arlington Heights, Schaumburg, Palatine, Des Plaines,
Mount Prospect, Hoffman Estates, Elmhurst, Carpentersville, Addison,
Algonquin, Belvidere, Woodstock, Rolling Meadows, Roselle, Lake
Zurich, Franklin Park, Sycamore and Wauconda.

Including the following interstates…
I-90 between mile markers 22 and 60.
I-290 between mile markers 1 and 11.
I-355 near mile marker 30.

__________________________________________________________________________________________

The National Weather Service in Chicago has issued a

* Urban and Small Stream Flood Advisory for Poor Drainage Areas
for…
Southwestern Lake County in northeastern Illinois…
Northern De Kalb County in north central Illinois…
Northern Kane County in northeastern Illinois…
Southern McHenry County in northeastern Illinois…
Northern DuPage County in northeastern Illinois…
Northwestern Cook County in northeastern Illinois…
Southern Boone County in north central Illinois…

* Until 815 PM CDT

* At 418 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding.
Overflowing poor drainage areas will result in minor flooding in
the advisory area. Up to two inches of rain have already fallen.

* Some locations that will experience flooding include…
Chicago, Elgin, Arlington Heights, Schaumburg, Palatine, Des
Plaines, Mount Prospect, Hoffman Estates, Elmhurst,
Carpentersville, Addison, Algonquin, Belvidere, Woodstock, Rolling
Meadows, Roselle, Lake Zurich, Franklin Park, Sycamore and
Wauconda.