The National Weather Service in Chicago has issued a * Flood Advisory for... East central Ogle County in north central Illinois... Northern De Kalb County in north central Illinois... Northwestern Kane County in northeastern Illinois... * Until 700 PM CDT. * At 458 PM CDT, Doppler radar indicated thunderstorms producing very heavy rain in portions of the advisory area. Up to one to one and a half inches of rain have already fallen over the past hour, especially in and near Genoa, Burlington and Hampshire. Runoff from this heavy rain will cause flooding in the advisory area. * Some locations that will experience flooding include... Genoa, Hampshire, Kirkland, Kingston, Stillman Valley, Davis Junction and Burlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles.