Overview

• Flood watches remain active until 6 p.m. for Cook, DuPage, Will, Grundy, Kane, Kendall counties in Illinois and Lake County in Indiana
• Friday’s slow-moving storms unleashed rainfall rates up to 3 inches per hour, overwhelming urban drains and submerging underpasses
• FAA ground stops and delays exceeding an hour disrupted flights at O’Hare and Midway during Friday’s downpours
• Emergency crews carried out car rescues in flooded areas such as Washington Park as streets and viaducts stayed submerged
• The National Weather Service advises residents to prepare for another round of torrential rain and possible funnel clouds overnight into Saturday