along with christine hanson. "good morning america" is next.

i'm meteorologist christine hanson. temperatures shot up yesterday. i'll tell you what we expect for the upcoming weekend. >> this is the 9th anniversary of the attacks of 9/11 and we will bring you live abc news coverage for the memorial service at ground zero at 5:42, the exact time the first plane hit the world trade center. our coverage continues on the devastating san bruno fire which dozens remain evacuated from thursday night's explosion and fire along a pg&e pipeline. here's the situation now. there are four confirmed fatalities from the explosion and fire. today six dog teams will be there. there is no time line for when residents can reenter. they hope to narrow the evacuation area and let some people back in today. while it's still too dangerous to get back into the fire zone, news crews were able to get a quick look into the disaster area. >> glenview drive and earl avenue is ground zero and this ruptured pipeline is what started it all. a piece of a 30 inch pipeline is the middle of the intersection. the explosion was apparently so strong

christine hanson is in for lisa argen. what say you? >> well, we love this september weather. i want to show you this picture, yesterday was clear sailing all across the bay area. we could see from the high definition from emeryville all across the city. there are a few more clouds out this morning and that triggers a change in the forecast. we will see that in the form of cooler temperatures. so a beautiful day ahead and some fall-like weather, temperatures dropped into the 40s. starting come in the 50s. we've got cooler air coming on shore. that is going to allow us to see our temperatures over the next couple of days -- check the computer for just a second -- and we will continue to see a nice weather pattern but we're also going to see the weather pattern break down just a little bit over the next couple of days as the cooler weather system comes off the pacific. forecast does call for a pretty day, yesterday we were in the 80s around the bay and we'll continue to see those readings at least well inland today especially around the delta and in the north bay. we've got some

. >> i'm meteorologist christine hanson. changes begin today. your complete accu-weather 7 forecast just ahead. >> good morning, everyone. thanks for joining us. i'm carolyn tyler. many san bruno residents will return to their homes today for the first time since thursday's tragic fire and may smell natural gas as pg&e resources service. some will resume living in their homes. others will be able to go in and gather their belongings. people with red tag homes will have no access to their houses. officials will hold a briefing explaining those details and more. the coroner has revised the death toll back to 4 from 7 reported last night. the additional skeletal remains at the scene will determine if they belong to fire victims. authorities have also revealed that six residents are missing. search teams and cadaver dogs will resume today for additional victims. of the six people reported missing, three are members of the bullets family. amy hollyfield talks to relatives who are frustrated and hurt. >> the family has known that 82 levon, her 50-year

i'm meteorologist christine hanson. our temperatures yesterday right up there where they're supposed to be. we'll have your complete weekend forecast coming up. >> our coverage continues now on that devastating san bruno fire as dozens remain evacuated from thursday night's explosion along a pg&e pipeline. this morning we are learning that two state senators are planning an investigation and a public hearing into the cause of that explosion. state senators mark leno of san francisco, alex pedia plan to have meetings in the coming weeks. four confirmed fatalities from the explosion and fire. today six dog teams will conduct another search for victims. the neighborhood is still considered a hazardous area so there is no time line for when residents might be allowed to reenter. city officials tell us they hope to narrow the evacuation area and let some people back in hopefully as early as today. while it is too dangerous for homeowners to get back into the fire zone, news crews get a quick look into the disaster area. lill