A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

* WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Portions of northeast Illinois and northwestern Indiana, including southern Cook and northwestern Lake counties. * WHEN...Until 815 AM CDT. * IMPACTS...Creeks and streams are out of their banks. Water is likely ponding in farm fields and in low lying spots. * ADDITIONAL DETAILS... - At 510 AM CDT, Automated river stream gauges indicated that flooding is occurring due to rainfall from overnight. - Rivers and creeks are expected to slowly fall this morning before additional rain arrives this afternoon. - Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Merrillville, Chicago Heights, East Chicago, Schererville, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson, Frankfort, Steger and South Holland. - http://www.weather.gov/safety/flood