September 2, 2017 11:48 pm NBC10 First Alert Weather: Mix of Sun and Clouds Sunday NBC10 First Alert Meteorologist Erika Martin is tracking a mix of sun and clouds for your Sunday forecast. She is also following the early developments of Hurricane Irma. US & World Videos 0:35 Fans of ‘The Office' got to see some of the stars at Fan Expo Philadelphia on Saturday 2:32 Rainy, chilly weather didn't stop many from enjoying festivals throughout Philadelphia 0:29 Driver found safe after carjacking in Delaware 2:23 Teen killed in quadruple shooting in North Philadelphia on Saturday evening 0:39 Teen shot near church in West Philly, two in custody