Northern lights should be visible on Thanksgiving and Black Friday thanks to an incoming solar storm, according to NOAA.

Before holiday shopping mania fully sets in, most mail carriers are taking a break this week. The United States Postal Service will not be operating Thursday as the agency observes Thanksgiving, a federal holiday.

So how does the holiday impact the mail and regularly scheduled packages? Since Thanksgiving is a federal holiday, the United States Postal Service will be fully closed, with mail delivery service to continue as scheduled with normal hours on Black Friday.