July 16, 2017 10:27 am First Alert Weather: Heat Wave Coming Your Way NBC10’s First Alert meteorologist Krystal Klei is tracking wet weather and another heat wave. US & World Videos 0:10 Overnight shooting in Delco town 2:02 Suspected gunman surrenders after barricading self in Chester County home 1:25 Residents in Montgomery County warned of possible fraud after mail stolen from collection boxes 2:09 ‘It feels like a slap in the face': Father responds to reinstatement of officer accused of killing son 1:41 11-year-old cancer patient receives floods of motivating letters from strangers near and far