The 2006 United States Senate election in Wyoming was held November 7, 2006, to elect a member of the United States Senate to represent the state of Wyoming. Primary elections were held on August 22, 2006, in which incumbent Republican U.S. Senator and Democrat Dale Groutage won unopposed.
Incumbent U.S. Senator Thomas won re-election to a third term but died of leukemia on June 4, 2007.
In 2006, Thomas maintained 68% favorability and was largely expected to win reelection due to Wyoming's red lean at the federal level.
Despite Thomas's significant lead in the polls, Thomas agreed to a debate. An October debate was sponsored by the Casper Star-Tribune and KCWY in Casper. Thomas said the nation has made progress in its energy policy, while Groutage said the nation's energy policy has failed because Congress has done more for special interests than the people.
Official campaign websites (archived)