July 18, 2014 4:00 pm DMN DF FRI 071814 NBC 5 Chief Meteorologist David Finfrock updates the weather for Friday, July 18, 2014. Wake Up to Something Good 2:50 School safety: North Texas students return to class after recent school shooting incidents 1:47 Heavy rainfall affects parts of DFW, Kaufman County 2:43 Governor declares state of emergency after Oklahoma tornadoes 2:09 Aftermath of heavy flooding in Kaufman County 1:41 Multiple killed during Oklahoma tornadoes