FFWFWD The National Weather Service in Fort Worth has extended the * Flash Flood Warning for... Western Fannin County in north central Texas... Eastern Grayson County in north central Texas... * Until 200 PM CDT. * At 1242 PM CDT, Doppler radar indicated showers and thunderstorms continuing to produce heavy rain across the warned area, particularly southwest Fannin County where between 2 to 4 inches of rain have fallen. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other poor drainage and low lying areas. Ponding on roadways is imminent or occurring. * Some locations that will experience flash flooding include... Sherman, Bonham, Denison, Van Alstyne, Howe, Leonard, Whitewright, Gunter, Bells, Tom Bean, Savoy, Ector, Trenton, Knollwood, Ravenna, Dorchester, Valley Lake, Randolph, Bonham State Park and Lake Bonham.