Update: First Avenue is back open to traffic. Riverside reports no other areas experiencing significant flooding.
RIVERSIDE – After last night's series of torrential downpours, the Riverside Police Department issued an alert Friday morning that First Avenue was flooded between Ogden Avenue and 31st Street.
First Avenue is completely closed to traffic, but crews are on the scene working on the flooding, according to a community alert sent by the department.
That area of First Avenue is also the site of a major street construction project that is ongoing.
Both Cook and DuPage counties are under a flood watch until 2:30 p.m. Friday.
According to the National Weather Service, the area saw between four and five inches of rain fall overnight. Many communities in the Chicago area are reporting flooding this morning, with water still slowly rising in some locations.
The Des Plaines River rose to 6.46 feet at 7:45 a.m. in Riverside on Friday, according to the weather service. The river is expected to hit its high mark at 7.10 feet, before receding. The River's flooding stage begins at seven feet.
The Brookfield Zoo announced via Facebook that the Great Bear Wilderness Exhibit would be closed until noon Friday due to flooded walkways.