we're going to be driving around in storm 4 and showiforce and s the conditions throughout the morning. live, nbc 10 news. >> matt, thanks. >>> right now, we have school delayed opening to pass along. st. margaret school in berks county is opening two hours later. go to nbc.com, put your school information in. we'll send you a text or e-mail, whichever you want, as soon as your child's school is delayed or closed. it's 4:04. this morning, investigators are trying to figure out why a fire traveled so quickly through a home killing a baby and a 3-year-old girl. the fire started yesterday afternoon and raced through a home on north monroe street. a mother and a 2-year-old got out but were hurt. a police officer and a neighbor tried to save the others, but it was too late. >> as i'm holding the door open with the cop in there, it was like an explosion. it was boom. and it didn't sound like -- it exploded. >> a piece of glass ripped through my hoody and my jacket. >> the mother was badly burned, and is in critical but stable condition. the injured 2-year-old is out of the hospital. the fath