"She's made up her mind. There's nothing to think about: he's never going to change," one of the sources tells the magazine for an issue to be released Friday.
People also reported that an attorney told them Nordegren has met with lawyers to renegotiate her prenuptial arrangement.
And according the New York Post, moving trucks already descended on the mansion Nordegren had been residing which is near the home in Windemere, Fla. she shared with Woods.
The 29-year-old Swede and former model reportedlyof Woods' house a week ago amid an infidelity scandal that has led the world's richest athlete to while he tries to repair his family.
"She's planning to go somewhere warm and Tiger-free for Christmas," a source told the newspaper. "The only reason she didn't leave earlier is that their son had the flu, but he's now recovered."
Nordegren was spotted Saturday in Florida filling her SUV while her kids waited in the back seat. But something was missing -.
"I need to focus my attention on being a better husband, father, and person," Woods said in a statement on his Web site Friday.
Woods and Nordegren have been married five years and have a 2-year-old daughter, Sam, and a 10-month-old son, Charlie.
Splash News photographers said Nordegren was pictured in Orlando, Fla. and went from the gas station to what appeared to be a party. She is reportedly staying with a neighbor in the Orlando golf community of Windemere.
Additional Coverage of the Tiger Woods Scandal:
Tiger Woods Voted AP Athlete of Decade
Source: Tiger Doc Drug Link a "Stretch"
World Follows Tiger's Scandal Saga
Woods Shuts out Famous Friends
Woods' Wife Seen without Wedding Ring
Woods Leaves PGA in Economic Limbo
Tag Heuer Reviews Partnership with Woods
Gillette Shaves Tiger Woods From Its Ads
Questions Abound About Tiger's Golf Hiatus
Can Tiger's Marriage Be Saved?
Tiger Woods Taking Leave from Golf
Alleged Mistresses Have Troubled Pasts