A flash flood watch means there’s a potential for “rapid-onset flooding,” according to the National Weather Service, and those who live or work near streams, rivers, creeks and other waterways should take extra caution. The biggest threat is for the area south of Interstate 80, where pockets of 2 to 3 inches of rainfall were already falling Thursday.
Torrential rainfall predicted, flash flood watch in effect for Chicago area: ‘We’re stuck in a pattern … of storms’
