A Flood Watch is in effect in Chicago, as severe storms are expected to hit the area by the afternoon.The National Weather Service issued a Flood Advisory for northwest Indiana, including Jasper and Porter counties,

As of 12:30 p.m., heavy rain had already started to fall in some parts. A flash flood warning was in effect for DuPage and Cook County, the NWS said, with reports of "totally submerged viaducts and underpasses in the city of Chicago."

Top weather news for. Another day of scattered heavy thunderstorms inside what forecasters called a juicy, "tropical-like" air mass Saturday has renewed the risk of flash flooding from Iowa to Pennsylvania,