She played for the Minnesota Whitecaps in 2009, and helped lead them to the Clarkson Cup finals. On March 19, the Whitecaps, with Rhéaume in net, beat the Montreal Stars in a playoff game by a score of 4–3 in overtime, with Kim St. Pierre in net for the Stars. During the 2008–09 WWHL season, Rhéaume's Whitecaps took two of three games from the Calgary Oval X-Treme. Those losses snapped a string that saw the X-Treme go two years without tasting defeat in the regular season.