dan sheneman, nbc news. >>> take a look at this, folks. for the first time in decades, a new sign lighting up the new york skyline atop 30 rock. the building's official name has been changed to the comcast building. tonight the new comcast nbcuniversal sign is at the very top, illuminated in all the colors here. the sign uses led lights to mimic the look of the previous sign. today holds a specialnition for the building. 30 rock was home to the first ever commercial tv broadcast. comcast, of course, the parent company of nbc4. >> that peacock is so pretty and colorful. >> you can't miss it even on a cloudy night. boy, we saw some clouds today. >> we did. and the radar wasn't looking too pretty for some counties, some neighborhoods around our area not going to be looking too pretty either at times for the rest of this week. i'm going give you a timeline, show you your thursday, friday and saturday too. look at the radar right now. storm team 4 radar. i'm going to zoom right on in to show you some of the last bit of the rain that is kick off