Its pretty rare that you see anything different in local news. Everything seems the same -- newscast to newscast.
WRAL in Raleigh-Durham is doing something that seems different and more informative. This promo is a simple demonstration of how they're getting much more detail into their 7-Day.
It may be the same information that was formally found in other parts of the forecast -- but viewers just may give them more credit now for being super informative.