Flood Watch issued for most of Chicagoland until 7 p.m. Saturday. Heavy rain is possible tonight and tomorrow. 3:18 p.m. - Flood Warning issued for DuPage, Cook Counties until 5:30 p.m.Ground delays issued at O'Hare, Midway airports due to storms. Average delay is 75 minutes, according to the FAA.

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,

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,