Flood Watch issued September 19 at 10:34AM CDT until September 20 at 7:00AM CDT by NWS Chicago IL

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Winnebago. In northeast Illinois, McHenry. * WHEN...Through early Sunday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - An additional round of showers and thunderstorms, some with very heavy rainfall, are expected this evening and overnight which may result in areas of flash flooding, particularly over urban or areas of poor drainage. - http://www.weather.gov/safety/flood…