'Today' Show Making Room for Megyn Kelly, Will Drop Al Roker and Tamron Hall's Hour, Sources Say

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There's going to be some big changes on the Today show with Megyn Kelly's arrival to NBC.

Sources at NBC tell ET that Kelly's new daytime show will take over either Today's 9 a.m. or 10 a.m. hour, and that the NBC morning show is getting rid of Al Roker and Tamron Hall's "Today's Take" hour -- which currently airs at 9 a.m. -- in the process. Sources say Kelly's timeslot is still being decided, and that her show will likely start in the fall.

"She will either take over the 9 a.m. hour or the 10 a.m. hour," one source tells ET. "If it ends up being the 10 a.m. hour, Kathie Lee Gifford and Hoda Kotb will move to 9 a.m."

WATCH: Megyn Kelly Brushes Off Her RNC Dress Haters -- 'I Can Be Smart and Challenging While Wearing Spaghetti Straps'

However, 62-year-old Roker and 46-year-old Hall are not leaving the Today show or NBC. A second source with knowledge of the situation echoes that despite rumors, Hall is "expected to stay at the network and with the Today show family."

"She will still fill in on the Today show at times when Savannah [Guthrie] is off," the source says. "She will also continue her daily show on MSNBC."

The network has made no official comments on the changes.

Interestingly enough, "Today's Take" was previously fronted by Billy Bush, before he was let go after his infamous Donald Trump controversy.

An NBC source previously told ET that Kelly's new show "will not fall under the Today banner, but instead be Kelly-branded."

Earlier this month, 46-year-old Kelly announced she was leaving Fox News after 12 years to take on a new role at NBC News. As part of the multi-year agreement, Kelly will host her own daytime news program, anchor a Sunday evening news show and take part in special political programming and other breaking news coverage.

WATCH: Megyn Kelly Congratulates Tucker Carlson on Replacing Her At Fox News -- 'I Will Be Cheering Him On'

A Fox News source told ET at the time that Kelly's move was primarily done because she wanted to spend more time with her family -- including her children, Yardley, Edward and Thatcher -- as opposed to a salary increase.

Watch the video below to see her emotional farewell message to the viewers of her Fox News show, The Kelly File.

-- Additional reporting by Amy Purnell