The GOP congressman faces strong opposition from some of the party's more right-wing members that could derail the vote, even after he granted a key concession during a last attempt to win the speakership.
If no Democrat votes for McCarthy on Tuesday, he can only afford to lose four Republican votes in order to be elected Speaker.
According to reports, McCarthy agreed on a conference call Sunday to make it easier for lawmakers to oust him in the future.
CNN reports that a new committee to investigate the Biden Administration's alleged "weaponization" of the Justice Department and FBI is one of the rules that the House GOP released on Sunday.
According to CNN, the proposed rules would allow the House Ethics Committee to take ethics complaints from the public, kill congressional staffers' unionization efforts, and outlaw remote hearings.
The nine GOP lawmakers who released a letter after the conference call Sunday said that the progress made thus far has been helpful, but it still isn't enough to address their concerns.
Some lawmakers will vote against McCarthy even if he agrees to all of their demands.
There are 218 Republicans have a 222-seat majority in the House and McCarthy needs to get the 218 votes needed to become speaker. McCarthy could be elected if some lawmakers are absent for the vote.
If McCarthy wasn't Speaker, who would be? A viable alternative to McCarthy has yet to be found, though a congressman has announced his candidacy. If McCarthy isn't elected on the first try, there will be a true candidate who can represent the conservative center of the conference. According to Roll Call, if McCarthy fails in his attempt to become Speaker, some more moderate Republicans are considering working with Democrats to replace him. House speakers are not legally required to be sitting members of Congress.
If McCarthy isn't elected as House Speaker on the first ballot on Tuesday, it will be the first time since 1923 that it's taken multiple rounds of votes to choose a speaker.
McCarthy was first elected to Congress in 2006 and is now making his second bid for House Speaker after he previously ran for the position in 2015 but dropped out of the race. Democrats had been in control of the House since the beginning of the year. The GOP did not get as strong a majority as expected after the elections. The controversy over McCarthy's vote reflects a broader sense that Republicans' razor-thin majority will give the party's further-right members more influence in Congress.
McCarthy relents on some demands, but the speaker bid is still uncertain.
It is not certain that McCarthy will win the speakership.
McCarthy is on the verge, according to Politco.
Kevin McCarthy's failed speaker vote would be a historical event.
There are seven scenarios for McCarthy's Speakership vote.