Rosendale, who is a lame-duck two-term Congressman from Glendive and represents the eastern part of the state, had previously supported GOP House Speaker Mike Johnson.
Republican Congressman Matt Rosendale said Friday he will not seek re-election to the U.S. House of Representatives, citing "false and defamatory rumors."
A fundraising ad for U.S. Rep. Matt Rosendale (R-Mont.) shows a photo of Anthony Fauci, former director of the National Institute of Allergy and Infectious Diseases, behind bars, swarmed by flying bats.
The NRSC also sent out a release last week, pointing to another poll, conducted on behalf of a super PAC, that showed Sheehy opening up a large lead over Rosendale in a potential primary.
Montanans like U.S. Rep. Matt Rosendale for the U.S. Senate on the GOP ticket over newcomer and establishment pick Tim Sheehy in 2024, according to an update from the Montana State News Bureau citing an August poll.