According to the memo, the armed group that has discussed traveling to Washington on Saturday said there would be a huge uprising if Congress tries to remove Trump through the 25th Amendment to the Constitution.
"We need to bat 1K every day and trust that those who do show up do so in a peaceful manner", said State Police Colonel Pat Callahan.
According to an internal Federal Bureau of Investigation bulletin, "armed protests are being planned at all 50 state capitols from the 16 January through at least the 20 January, and at the U.S. Capitol from 17 January to 20 January".
A mob of supporters of President Donald Trump broke into the building on January 6, breaking windows and disrupting the counting of electoral votes by state lawmakers.More news: Philadelphia Eagles fire Super Bowl-winning coach Doug Pederson
Biden's inaugural committee said on Monday the theme of the January 20 ceremony will be "America United", even as the country grapples with the fallout of last Wednesday's storming of the Capitol by Trump loyalists.
He also decried those who refuse to identify and condemn those perpetrating the heinous act of treason.
In other steps to safeguard the U.S. capital, the National Guard was authorised to send up to 15,000 troops to Washington, and tourists were barred from visiting the Washington Monument until 24 January.
Bowser said the city was submitting a request for a "pre-disaster declaration" to allow for federal assistance.
Trump said last week he would not attend Biden's inauguration.More news: Dr. Dre Continues Brain Aneurysm Recovery In ICU
The bulletin also suggests that at least one group is calling for a repeat of the January 6 insurrection at the U.S. Capitol.
Ms Bowser asked Mr Wolf to extend the National Special Security Event period from Monday through 24 January.
Security for the U.S. Capitol and the inauguration have increased considerably since last week's incident on Capitol Hill.
Wolf said in a statement he had instructed the Secret Service to begin National Special Security Event operations for the inauguration effective Wednesday, instead of January 19 as previously scheduled.
The assault on the Capitol, staged to object to the certification of Biden's victory in the November election, sent lawmakers scrambling into hiding and left five people dead. The event traditionally draws hundreds of thousands of visitors to the city, but has been scaled back dramatically because of the Covid-19 pandemic.More news: Grimes says she 'finally got COVID' is 'weirdly enjoying' the experience
In Michigan, another swing state where Biden's victory was contested by Trump, the state's Capitol Commission, which oversees the legislature, issued an order to ban the open carrying of weapons inside the Capitol building in Lansing.