An Urban and Small Stream Flood Advisory has been issued effective until 8:45AM CDT this Thursday morning for central Will, southeastern DuPage and all of Cook County in Illinois and northern Lake County in Indiana due to indications of heavy rains depicted by weather radar.
Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage and low-lying areas.
Some locations that will experience flooding include:
Chicago, Naperville, Cicero, Hammond, Gary, Bolingbrook, Orland
Park, Tinley Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers
Grove, Elmhurst, Lombard, Romeoville, Calumet City, Chicago
Heights, East Chicago and Schererville.