The Chicago area was hit by heavy rain on Sunday afternoon as the first of two waves of strong-to-severe thunderstorms swept through the region.
According to the National Weather Service, flood advisories are in effect for parts of McHenry, Lake, DuPage and Cook counties as rainfall rates of nearly 1.5 inches per hour were reported in affected areas.
Those advisories will largely run through the 4 p.m. hour according to the NWS, with flooding imminent in several low-lying locations…