Thunderstorms threaten July 4 and America 250 celebrations across Northeast, Mid-Atlantic

Thunderstorms threaten July 4 and America 250 celebrations across Northeast, Mid-Atlantic

Pop-up thunderstorms could rumble across the Northeast and Mid-Atlantic Friday afternoon, with more possible on the afternoon and evening of July 4. While they won't be enough to break the heat, they could disrupt nighttime fireworks celebrations.