Kristi Noem Weighs Senate Run as DHS Tenure Ends

Former Homeland Security Secretary Kristi Noem is considering a bid for the Senate as her time in President Donald Trump’s Cabinet comes to a close. With the filing deadline for South Dakota’s 2026 Senate race approaching, Noem has not ruled out entering the contest. Candidates must file between January 1 and 5 p.m. local time on March 31, 2026, for the primary scheduled for June 2.

During her recent speech in Nashville, Tennessee, Noem announced her appointment as special envoy for the “Shield of the Americas,” a Western Hemisphere security initiative aimed at combating drug cartels. This initiative is set to be unveiled in Doral, Florida, and is part of the administration’s efforts to address various challenges related to drug trafficking in the region.

The current Senate seat is held by John Rounds, who has faced conservative primary opposition previously. In 2020, Rounds defeated a challenger by a substantial margin of 50 percentage points. However, Noem’s national name recognition and experience as a former governor could make her a formidable opponent.

A Senate run could provide Noem with a political opportunity post-administration, especially if the Democrats regain control of the House of Representatives. This scenario could lead to increased scrutiny of the Department of Homeland Security and her decisions during her tenure. Holding a Senate seat would offer Noem essential resources and a platform for fundraising as she navigates potential challenges.

Despite the potential benefits, Noem’s path to the Senate may not be straightforward. While Trump and Rounds have had disagreements—especially after Rounds stated that the 2020 election results were legitimate—the former president endorsed Rounds for his reelection last summer. Rounds also enjoys considerable support within the Senate Republican conference, which could complicate Noem’s chances should she decide to run.

In addition to a Senate bid, Noem might consider a return to the at-large House seat she previously held from 2011 to 2019, which will be open following Rep. Dusty Johnson‘s announcement to run for governor. Noem has expressed broader ambitions in the past, including the possibility of joining a Republican presidential ticket or launching her own bid for the White House.

Time is of the essence for Noem. Entering the Senate race now would leave her with limited time to establish a campaign, as the South Dakota primary is just under three months away. With the political landscape shifting rapidly, her decision could have significant implications for her political future.