**Steve Scalise, the long-serving Republican incumbent and current House Majority Leader, faces limited opposition in Louisiana’s 1st congressional district jungle primary on November 3, 2026.** The district’s strong Republican tilt, combined with Scalise’s established name recognition and institutional position, leads traders to assign a 94.5% implied probability that one candidate secures an outright majority and avoids the December 12 runoff. Minor-party and Democratic challengers, including Lauren Jewett, have not generated significant polling momentum or fundraising traction that would fragment the vote enough to force a second round. Louisiana’s blanket-primary system requires 50%+1 for an immediate win, and historical patterns in safe Republican seats show incumbents routinely clear this threshold when opposition remains fragmented and under-resourced. Recent legislative activity and leadership statements from Scalise have reinforced his visibility without introducing new competitive dynamics. No late developments, such as candidate withdrawals or major endorsements shifting the field, have altered the consensus view that the first-round threshold will be met.