Trump says his inauguration is moving indoors due to cold, snow

The inauguration of President-elect Donald Trump is moving indoors due to cold weather and snow concerns for Monday, according to Trump.

What we know:

Trump has ordered his inauguration, along with his inaugural address, prayers and other speeches, to be delivered in the Capitol rotunda, he posted to Truth Social

"There is an Arctic blast sweeping the Country. I don’t want to see people hurt, or injured, in any way. It is dangerous conditions for the tens of thousands of Law Enforcement, First Responders, Police K9s and even horses, and hundreds of thousands of supporters that will be outside for many hours on the 20th (In any event, if you decide to come, dress warmly!).

This graphic shows the forecast in Washington, D.C., next week. (FOX Weather)

Temperatures are expected to plunge as low as single digits in Washington, D.C., and the area may see a few inches of snow late Sunday, according to FOX 5 DC. The frigid arctic air is due to a polar vortex that is sending temperatures plunging for millions across the U.S.

Limited guests, politicians and dignitaries can watch the ceremonies from inside the Capitol, but Trump posted that D.C.'s Capital One Arena will be open to attendees who want to watch live. The president-elect said he plans to join the arena crowd after his swearing in for the presidential parade.

"This will be a very beautiful experience for all, and especially for the large TV audience," Trump wrote.

What happens when inaugurations move inside

Dig deeper:

Ronald Reagan's second inauguration was the last to be held indoors, according to the New York Times. His presidential parade was canceled.

U.S. President-elect Donald Trump takes the oath of office as First Lady-elect Melania Trump, looks on during the 58th presidential inauguration in Washington, D.C., U.S., on Friday, Jan. 20, 2017. President Donald Trump says he wont attend President

What we don't know:

It's unclear how the inaugural committee will proceed if and when these changes are made.

The Source: This article uses reporting from the New York Times, CNN and FOX 5 DC.

Inauguration DayDonald J. Trump