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City of Chicago Mayor Brandon Johnson and Cook County Board President Toni Preckwinkle have issued disaster proclamations in response to the flooding that affected the region from July 25 to July 28, 2025. The flooding, caused by several days of significant rainfall, impacted residential areas throughout the City of Chicago and suburban Cook County. Among the hardest hit municipalities were Chicago, Burbank, Justice, and Summit.
The proclamations allow both the City of Chicago and Cook County to seek additional resources for recovery efforts in communities affected by the floods.
“Issuing this disaster proclamation is a necessary step to address the severe damage in Chicago and Cook County due to recent floods,” said Mayor Johnson. “We thank President Preckwinkle, Cook County and the State of Illinois for their partnership to help repair this damage for our Chicago residents. We also thank our first responders, OEMC and City departments who help our residents navigate flooding.”
“Cook County residents sustained significant damage due to severe storms that struck our community in late July,” said President Preckwinkle. “I’m grateful for the partnership with the City of Chicago and the State of Illinois in conducting damage assessments. My administration continues to coordinate recovery efforts with impacted municipalities and will ensure we pursue all possible opportunities for additional assistance.”
In response to these events, local agencies including the Office of Emergency Management and Communications (OEMC), Cook County Department of Emergency Management and Regional Security (EMRS), and the Illinois Emergency Management Agency (IEMA) asked affected residents to complete a flood assessment survey. The survey aimed to document storm-related damages across Illinois and begin the process needed for federal disaster assistance.
As of August 6, 2025, a total of 3,302 surveys had been submitted by residents from Chicago and suburban Cook County. The reported damages included 111 residences considered destroyed, 544 with major damage, 1,451 with minor damage, and 1,018 considered affected.
OEMC and EMRS are continuing efforts to gather financial data on public agency responses during the incident. This information will be used to determine if city or county jurisdictions meet federal requirements for reimbursement related to emergency response expenses.
Collaboration between local governments and nonprofit organizations remains ongoing as they work to meet resident needs after the flood. Agencies will continue coordinating recovery activities throughout impacted communities while seeking all available forms of disaster assistance.
