**Incumbent Republican Steve Scalise dominates Louisiana’s 1st congressional district ahead of the November 3 majority-vote primary.** The district’s strong Republican lean and Scalise’s consistent double-digit margins in prior cycles position him to clear the 50% threshold outright, avoiding a December 12 runoff. Weak opposition from Republican Randall Arrington, Democrat Lauren Jewett, and independent Liddy Glass has produced no credible threat to split the vote sufficiently. Race ratings classify the seat as Solid or Safe Republican, with no recent polling shifts, fundraising surges by challengers, or late developments altering the field. Trader consensus reflects this low-uncertainty environment, where historical patterns of incumbent performance in similar Louisiana districts support a high probability of an outright first-round result.