Trump wrote on his Truth Social profile shortly after arriving in New York from Florida on Monday, urging supporters to donate to his campaign.
The arraignment, where Trump will be in court to hear charges and have a chance to enter a plea, was planned for 2:15 p.m. (1815 GMT) on Tuesday.
Citing a single source briefed on Tuesday's arraignment procedures, Yahoo said none of the charges against Trump were misdemeanors.
PROTESTS AND POPULARITYPolice over the weekend began erecting barricades near Trump Tower - where Trump arrived on Monday after flying in from Florida - and the Manhattan Criminal Court building, with demonstrations expected at both sites on Tuesday.
On the Manhattan case, Trump in 2018 initially disputed knowing anything about the payment to Daniels.