Scrutinel— 2026 midterms

UpdatedOct 10, 2026, 11:27 AM EDT
To election day24 days
Simulations200,000

Wyoming — U.S. Senate

Currently held by a Republican · open seat

Democrat
James Byrd
<0.1%
Republican
Harriet Hageman
>99.9%
ForecastSafe R
Projected margin
R+36.7
80% range
R+49.2 to R+24.2
Partisan lean
R+46.1
Uncertainty multiplier
2.01×

The 80% range comes from 200,000 simulations in which this race’s error is correlated with every other race through the national, state and demographic layers.

How the estimate is built
Fundamentals >99.9%
Polling average
no polls
Fundamentals
R+36.6
Blended
R+36.6
Similar-race shift
+2.3
Polling

No public polling of this matchup. The forecast rests on fundamentals plus the polling residuals of demographically and politically similar races — which is the normal case: most of the 435 House seats are never polled.

Fundamentals
Partisan lean
R+46.1
Elasticity
0.91
Incumbency
0.0
Candidate experience
0.0
Fundraising
−4.0
National environment
D+7.1
Expected margin
R+38.9
Campaign fundraisingFEC filings to Invalid Date
CandidatePartyRaisedCash on hand
Harriet HagemanREP$2.4M$915k
James Willard ByrdDEM$23k$356

Receipts across the cycle, from FEC bulk filings. The model uses the ratio between the two sides rather than either total, and weights it lightly — money follows a competitive race at least as much as it causes one.

← Back to the full forecast