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Another soggy day for Chicagoland.
Saturday morning Chicago and its suburbs experienced one of the largest flash flood rain storms in history.
Sunday morning brought with it even more rain, and the showers are expected to last all day long.
The National Weather Service issued a flash flood warning for a large swath of Northern Illinois and northwest Indiana, from Rockford to Chicago, Aurora to Valparaiso.
"For the third day in a row showers and thunderstorms are expected to develop as a cold front sags southward out of Wisconsin into Northern Illinois," says a weather service report. "In addition, a complex of thunderstorms developing across eastern Iowa will track east into Northern Illinois this mornign. These storms will be capabel fo producing heavy rainfall across areas that have already been inundated with extremely heavy rainfall over the past 48 hours."
Friday night's storm dumped between 5 and 7 inches of rain on the Chicago area, forced the closure of several flooded expressways, ramps and roads, blacked out nearly 90,000 Com Ed customers and led to numerous delays and cancellations at the airport.
Parts of O'Hare airport's passenger pick up lanes flooded, as did countless basements and numerous roadways.
Many drivers around the Northern Illinois region had to be rescued from their cars by boats after driving into flooded roadways.