O'Donnell joined KNTV, the NBC affiliate for the San Francisco Bay Area in 2001. She won an Emmy award as a meteorologist in 2004, and was named Best TV Weather Anchor in 2005 and 2006.
O'Donnell began working at KNTV, the NBC affiliate for the San Francisco Bay Area, in 2001. She received an Emmy award as a meteorologist in 2004, and was recognized as Best TV Weather Anchor in 2005 and 2006.