Arthur was not at hurricane strength late Wednesday . Boston Pops Fireworks Spectacular will be held Thursday , not July 4 . Arthur will threaten parts of the East Coast but spare most Fourth of July celebrations . Still a tropical storm Wednesday afternoon , Arthur was slowly creeping north off Florida 's northern Atlantic coast , dumping rain there , the weather service said . Comment:
Arthur was not at hurricane strength late Wednesday . Boston Pops Fireworks Spectacular will be held Thursday , not July 4 . Arthur will threaten parts of the East Coast but spare most Fourth of July celebrations . Comment: