provisionally won a super-G on Monday to break Annemarie Moser-Proell's 35-year-old record of 62 World Cup victories.
For win No. 63, the American clocked 1 minute, 27.03 seconds down the Olympia delle Tofane course to finish 0.85 seconds ahead of Anna Fenninger of Austria.
Tina Weirather of Liechtenstein was third, 0.92 back.
, surprised her in the finish area, where the two shared an emotional embrace.
Vonn exclaimed “No way!” when she saw him.
“I didn't think this could get any better than yesterday with my entire family here, but now with Tiger here, this is unbelievable,” Vonn said. “I said, `I can't believe you came.’ And he said, `I told you.'"
Some lower-ranked skiers were still to race.
Vonn got record-tying win No. 62 in a downhill Sunday.
Moser-Proell, an Austrian great, established her record between 1970 and 1980.
Swedish standout Ingemar Stenmark holds the men's record of 86 wins.
It was Vonn's first win in super-G this season and her fourth overall this campaign, showing a return to top form after two knee injuries kept her out of last year's
Perhaps more important, the win showed Vonn is dominating again just weeks before her home world championships in Vail and Beaver Creek, Colo.
Vonn was on track to shatter Moser-Proell's record two years ago before a high-speed crash at the 2013 world championships in Schladming, Austria, when she tore two ligaments in her right knee. She attempted to return for Sochi but reinjured her knee in Val d'Isere, France, in December 2013, requiring a second surgery.
The 30-year-old Vonn is planning to compete through the
in Pyeongchang, South Korea.
It was Vonn's ninth career win in Cortina, where she had her first podium result in 2004, putting her within one of Austrian Renate Goetschl's record 10 wins in the resort known as the Queen of the Dolomites.
Vonn has won 32 downhills, 21 super-Gs, three giant slaloms, two slaloms and five combined races.
Not included in those numbers are Vonn's gold medal in downhill at the
, or her golds in downhill and super-G at the 2009 worlds in Val d'Isere.
Moser-Proell won 36 downhills, 16 giant slaloms, three slaloms and seven combined races.
The super-G was introduced two years after Moser-Proell retired.