hersh, a transient who had asked for money from the synagogue. they describe him as extremely dangerous. no one was injured, but that bomb sent a large chunk of concrete crashing through the roof of a nearby house. saturday is shaping up to be a day of record warmth for some parts of the country. some other areas not so lucky. let's get the details now from meteorologist bill karins. good morning, bill. >> good saturday to you, alex. for those suffering with a cold, dreary spring, it is time to warm it up. yesterday was ridiculous. look how chilly it was. all of the west coast was in the 50s, including los angeles, which that is very cold for l.a. look at how chilly and raw it was from chicago, to d.c. yesterday, in the 40s. they got heavy rain through the philadelphia area. this weekend will be significantly better from d.c. up to philly, new york and boston. but around chicago, we're still going to deal with cool conditions with a lot of clouds. but we will see a chance of thunderstorms too. so as far as what we're dealing with this morning, very warm air is being pumped up through texas, the whole surround half