Click on a state name below to read updates from the Crystal Ball and see the current state of each race:

Alabama
Richard Shelby (R) is seeking reelection

Alaska
Lisa Murkowski (R) is seeking reelection

Arizona
John McCain (R) is seeking reelection

Arkansas
Blanche Lincoln (D) is seeking reelection

California
Barbara Boxer (D) is seeking reelection

Colorado (special)
Michael Bennet (D) is seeking a full term

Connecticut
Chris Dodd (D) is not seeking reelection

Delaware (special)
Ted Kaufman (D) is not seeking a full term

Florida (special)
George LeMieux (R) is not seeking a full term

Georgia
Johnny Isakson (R) is seeking reelection

Hawaii
Daniel Inouye (D) is seeking reelection

Idaho
Mike Crapo (R) is seeking reelection

Illinois (special)
Roland Burris (D) is not seeking a full term

Indiana
Evan Bayh (D) is not seeking reelection

Iowa
Chuck Grassley (R) is seeking reelection

Kansas
Sam Brownback (R) is not seeking reelection

Kentucky
Jim Bunning (R) is not seeking reelection

Louisiana
David Vitter (R) is seeking reelection

Maryland
Barbara Mikulski (D) is seeking reelection

Missouri
Kit Bond (R) is not seeking reelection

Nevada
Harry Reid (D) is seeking reelection

New Hampshire
Judd Gregg (R) is not seeking reelection

New York
Chuck Schumer (D) is seeking reelection

New York (special)
Kirsten Gillibrand (D) is seeking a full term

North Carolina
Richard Burr (R) is seeking reelection

North Dakota
Byron Dorgan (D) is not seeking reelection

Ohio
George Voinovich (R) is not seeking reelection

Oklahoma
Tom Coburn (R) is seeking reelection

Oregon
Ron Wyden (D) is seeking reelection

Pennsylvania
Arlen Specter (D) is seeking reelection

South Carolina
Jim DeMint (R) is seeking reelection

South Dakota
John Thune (R) is seeking reelection

Utah
Bob Bennett (R) is seeking reelection

Vermont
Pat Leahy (D) is seeking reelection

Washington
Patty Murray (D) is seeking reelection

West Virginia (special)
Carte Goodwin (D) is not seeking a full term

Wisconsin
Russ Feingold (D) is seeking reelection