| Alabama | Everett Wess vs. Barry Moore | Likely R 92% | Solid R |
| Alaska | Mary Peltola vs. Dan S. Sullivan | Toss-up 54% | Tossup |
| Arkansas | Hallie Shoffner vs. Tom Cotton | Likely R 91% | Solid R |
| Colorado | John Hickenlooper vs. Mark Baisley | No poll forecast | Solid D |
| Delaware | Dem nominee TBD vs. Rep nominee TBD | No poll forecast | Solid D |
| Georgia | Jon Ossoff vs. Mike Collins | Lean D 80% | Likely D |
| Idaho | David Roth vs. Jim Risch | Safe R 100% | Solid R |
| Illinois | Juliana Stratton vs. Don Tracy | No poll forecast | Solid D |
| Iowa | Josh Turek vs. Ashley Hinson | Toss-up 65% | Tossup |
| Kansas | Adam Hamilton vs. Roger Marshall | Lean R 76% | Likely R |
| Kentucky | Charles Booker vs. Andy Barr | No poll forecast | Solid R |
| Louisiana | Jamie Davis vs. Julia Letlow | No poll forecast | Solid R |
| Maine | Troy Jackson vs. Susan Collins | Toss-up 52% | Tossup |
| Massachusetts | Ed Markey vs. John Deaton | Safe D 99% | Solid D |
| Michigan | Abdul El-Sayed vs. Mike Rogers | Toss-up 52% | Tossup |
| Minnesota | Peggy Flanagan vs. Michele Tafoya | No forecast | Likely D |
| Mississippi | Scott Colom vs. Cindy Hyde-Smith | Lean R 73% | Solid R |
| Montana | Alani Bankhead vs. Kurt Alme | Safe R 96% | Solid R |
| Nebraska | No Democratic candidate vs. Pete Ricketts | No forecast | Likely R |
| New Hampshire | Chris Pappas vs. John Sununu | Toss-up 62% | Lean D |
| New Jersey | Cory Booker vs. Justin Murphy | No poll forecast | Solid D |
| New Mexico | Ben Ray Luján vs. Larry Marker | No poll forecast | Solid D |
| North Carolina | Roy Cooper vs. Michael Whatley | Lean D 81% | Likely D (flip) |
| Oklahoma | Dem nominee TBD vs. Kevin Hern | No poll forecast | Solid R |
| Oregon | Jeff Merkley vs. David Brock Smith | No poll forecast | Solid D |
| Rhode Island | Jack Reed vs. Raymond McKay | Likely D 87% | Solid D |
| South Carolina | Annie Andrews vs. Republican nominee TBD | No forecast | Likely R |
| South Dakota | No Democratic candidate vs. Mike Rounds | No forecast | Solid R |
| Tennessee | Marquita Bradshaw vs. Bill Hagerty | No poll forecast | Solid R |
| Texas | James Talarico vs. Ken Paxton | Toss-up 52% | Tossup |
| Virginia | Mark Warner vs. Bert Mizusawa | No forecast | Solid D |
| West Virginia | Rachel Fetty Anderson vs. Shelley Moore Capito | No poll forecast | Solid R |
| Wyoming | James W. Byrd vs. Harriet Hageman | No poll forecast | Solid R |
| Florida | Alexander Vindman vs. Ashley Moody | Likely R 87% | Likely R |
| Ohio | Sherrod Brown vs. Jon Husted | Toss-up 55% | Tossup |