* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northern Will County in northeastern Illinois... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 347 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport, Carol Stream and Romeoville. - http://www.weather.gov/safety/flood