August 18 Primary Results: Nixon Upsets Vindman in Florida, Barlow Beats Trump's Pick in Wyoming, Sullivan and Peltola Head to November in Alaska

Tuesday's primary night produced its biggest surprise before polls even closed on the West Coast. Florida state Rep. Angie Nixon, a Jacksonville Democratic socialist and union organizer, defeated retired Army Lt. Col. Alexander Vindman in the Sunshine State's Senate special Democratic primary — overcoming a roughly 16-to-1 fundraising deficit to claim the nomination for Marco Rubio's Senate seat. Across the continent, Wyoming state Sen. Eric Barlow dispatched President Trump's chosen gubernatorial candidate without breaking a sweat. And in Alaska, the state's all-party top-four Senate primary delivered the expected top finishers: Republican incumbent Dan Sullivan and Democratic former Rep. Mary Peltola, who now head toward a ranked-choice general that remains one of the most closely watched Senate contests of the cycle.

Florida Senate Special Primary: Nixon 56%, Vindman 44%

The Associated Press and Decision Desk HQ both projected Angie Nixon the winner of Florida's Democratic Senate special primary shortly after the last of the state's polls closed at 8 p.m. ET. With 99% of expected votes counted, Nixon had accumulated approximately 705,000 votes — 56.1% of the total — to Vindman's roughly 553,000 votes and 43.9%, according to results published by NBC News.

The margin shocked observers. Vindman had raised roughly $16 million to Nixon's approximately $1 million, according to CNN, and spent 36 times as much on advertisements: $2.2 million to Nixon's $60,000, per AdImpact data cited by the New York Times. Vindman had more than $7 million in the bank heading into election day. There was no public polling in the race; Vindman's campaign had expressed confidence publicly.

Nixon's geography tells the story of how the upset happened. She won the large urban counties that drive Florida Democratic primary turnout: Duval County (Nixon +60 points), Orange (+36), Miami-Dade (+19), Broward (+15), Hillsborough (+15), and Leon (+25). Vindman carried several affluent suburban and coastal counties — Palm Beach (+11), Sarasota (+25), Collier (+26), Charlotte (+21) — but those areas couldn't offset Nixon's margins in the state's most populous Democratic precincts.

Nixon's win makes her the first Black woman to win a major-party Senate nomination in Florida. She is the first Democratic Socialists of America-aligned candidate to win a Senate primary in the 2026 cycle; DSA-affiliated candidates have also won a series of House primaries this year in Pennsylvania, Colorado, Michigan, and New York. Nixon did not receive a formal DSA endorsement for this race but is a DSA member and ran explicitly as a Democratic socialist.

She had the backing of progressive House members including Rep. Maxwell Frost of Florida, Rep. Ilhan Omar of Minnesota, and Rep. Rashida Tlaib of Michigan. Her canvassing operation blanketed Broward County in the race's final days, according to reporting by the New York Times, while Vindman's larger campaign apparatus appeared less active on the ground in the same territory.

Vindman was gracious in defeat, telling supporters gathered at an American Legion hall near Fort Lauderdale: "Rep. Nixon ran a strong campaign. She challenged the status quo. She put in the hard work, and tonight, she earned the nomination." He pledged to stand by her heading into November.

Nixon vs. Moody: What November Looks Like

Nixon faces Republican Sen. Ashley Moody — the former Florida attorney general whom Gov. Ron DeSantis appointed to fill the seat after Marco Rubio became Secretary of State — in the Nov. 3 general election for the final two years of Rubio's term. All major forecasters — Cook Political Report, Sabato's Crystal Ball, and Inside Elections — rate the race as Likely or Solid Republican. Pre-primary polls showed Moody ahead by margins ranging from roughly one to ten points in any general election matchup, depending on the survey.

Nixon's path to an upset in November would require strong progressive turnout in urban South Florida and the Jacksonville base that powered her primary, cross-partisan appeal to the independent voters she did not need for a Democratic primary, and a wave environment in a state that has trended Republican at the statewide level in recent cycles. Moody's own fundraising — $10.8 million raised through mid-July — gives her a substantial resource advantage heading into the fall campaign.

The Senate control market, which reflects the aggregate probability of each party winning the chamber after November, continues to price the contest as essentially a coin flip. Our consensus market data shows Republicans at 52% and Democrats at 51% — a spread within the margin of what amounts to a genuine toss-up nationally.

Florida Governor and House

In Florida's Republican gubernatorial primary, Rep. Byron Donalds — Trump-endorsed and the congressman from Naples — won the nomination to succeed term-limited Gov. Ron DeSantis. On the Democratic side, David Jolly, a former Republican congressman now running as a Democrat, won his primary. Donalds and Jolly advance to the November general. That race was covered in depth by this publication following the primary results.

In Florida's 7th Congressional District, Rep. Cory Mills — under active investigation by the House Ethics Committee and the Justice Department — lost his re-election primary to former television journalist Ryan Elijah by approximately 12 points. In the 19th District, Trump-backed Catalina Lauf lost the Republican primary to local conservative radio station owner Jim Schwartzel. Rep. Debbie Wasserman Schultz and Rep. Jared Moskowitz each defended their seats against progressive challengers.

Wyoming Governor: Barlow 45%, Degenfelder 30%, Bien 24%

The Associated Press called Wyoming's Republican gubernatorial primary for state Sen. Eric Barlow at 8:54 p.m. ET with only 21% of the vote in — the margin was decisive enough to project without waiting for more ballots. Final unofficial returns showed Barlow winning 58,820 votes (45.1%), Trump-endorsed state Superintendent of Public Instruction Megan Degenfelder winning 38,739 votes (29.7%), retired Marine Corps Col. Brent Bien winning 30,843 votes (23.6%), and professional bull rider Curt Blake finishing with 2,161 votes (1.7%), according to results reported by Cowboy State Daily and Wyoming Public Media.

Barlow, a rancher and 14-year legislator from Gillette who had previously served as state House Speaker, won every county in Wyoming. His campaign message was straightforward: "I ran on a simple idea: show up, do the work, get the job done. That is how we run our ranch, that is how I have served in the Legislature, and that is how this administration will operate," he said in a statement reported by WyoFile.

Degenfelder had received Trump's endorsement in January; Bien had received the Wyoming Republican Party's state central committee endorsement in July. Neither institutional backing proved sufficient. The New York Times reported that Wyoming's heavily Republican electorate appeared to prefer a lower-key leader in the mold of outgoing Gov. Mark Gordon — a mainstream, results-focused conservative — over candidates aligned with the more confrontational wing of the national Republican Party.

Barlow will face Democrat Kenneth Casner, who ran unopposed in the Democratic primary, and Constitution Party nominee Rebecca Bextel in the Nov. 3 general election. Wyoming is one of the most reliably Republican states in the country, and all major forecasters rate the general election Solid Republican; Barlow is a heavy favorite to become the state's next governor.

Wyoming's gubernatorial result adds to a pattern of Trump gubernatorial endorsements underperforming this cycle. Trump's preferred candidates also lost primary contests in Iowa, Georgia, and Minnesota earlier this summer. In Barlow's case, the candidate he backed finished second in a four-way race in a state where Trump won his largest presidential margin in 2024.

Wyoming Senate: Hageman Wins Easily

Rep. Harriet Hageman — the Trump-endorsed Republican who unseated Rep. Liz Cheney in Wyoming's 2022 primary — won the Republican Senate primary to succeed retiring Sen. Cynthia Lummis. The race is rated Solid Republican by all major forecasters. Hageman is the heavy general election favorite.

Alaska Senate: Sullivan and Peltola Advance to Ranked-Choice November

Alaska's all-party top-four primary — in which the four candidates receiving the most votes, regardless of party, advance to a ranked-choice general election in November — produced the expected two leaders. Republican incumbent Sen. Dan Sullivan and Democratic former Rep. Mary Peltola were both projected to advance by the Associated Press and NBC News. As of early Wednesday morning Eastern, the remaining two spots in the top four had not been formally called.

Sullivan, seeking a third term, won the primary by a wide margin among identified early returns. Peltola, the first Alaska Native to serve in Congress, lost her 2024 reelection bid for Alaska's at-large House seat and is attempting a comeback at the Senate level as one of Democrats' highest-profile pick-up targets. A pre-primary survey conducted by Sullivan's campaign cited by USA Today showed him competitive but acknowledged the race remains genuinely close.

Also contesting the remaining two spots in the top-four field: another candidate named Dan Sullivan, a retired teacher, who Alaska's state Supreme Court kept on the ballot after a lower court had ruled to remove him. Democrats had recruited the same-name candidate in hopes of creating ballot confusion; courts ultimately allowed him to remain in the race. Whether he advances to one of the four general election spots remained uncalled as of Wednesday morning.

Cook Political Report rates the Alaska Senate race a Toss-Up; Sabato's Crystal Ball rates it the same. It is one of the most expensive and most watched Senate contests of the 2026 cycle.

Alaska Governor: Two Democrats Project to Advance

In Alaska's seventeen-candidate open-primary gubernatorial race to replace term-limited Gov. Mike Dunleavy — who exits office as one of the most unpopular governors in the country, per a February Morning Consult survey — the AP and NBC News projected two Democratic candidates advancing as of early Wednesday morning: Tom Begich, a Democrat and former Alaska Senate Minority Leader, and Jonathan Kreiss-Tomkins, a Democrat and former state representative. The two Republicans who would fill the other spots in the top four had not been projected. Begich is the uncle of Republican Rep. Nick Begich III, who separately projected to advance in Alaska's at-large House primary alongside independent small-business owner Bill Hill.

California CA-14 Special Election: Wahab Leads Hernandez

In a special election in California's 14th Congressional District — held to fill the seat vacated by former Rep. Eric Swalwell, who resigned amid sexual assault allegations he denied — Democratic California state Sen. Aisha Wahab held a narrow lead over Democratic BART board president Melissa Hernandez, approximately 51% to 48%, with about 60% of expected votes counted as of 11 p.m. ET, according to NBC News. Both candidates had already won the top-two spots in earlier June primaries and will face each other again in the November general election for a full term regardless of the special election outcome.

Senate Control and the Balance of Power

Tuesday's results tighten the Senate control picture in ways that cut in multiple directions. Nixon's win in Florida may reduce the likelihood that Democrats invest heavily in a Florida Senate race that most forecasters had already rated as leaning Republican regardless of nominee. At the same time, the Alaska toss-up, along with contested races in Michigan, Montana, Nebraska, and Ohio, keeps multiple pathways alive for each party to reach or hold a Senate majority.

The broader balance-of-power question — whether either party will control both chambers after November — also remains genuinely open.

Verification

Sources: Associated Press via APNews.com (live primary results, Aug. 18–19, 2026); Bloomberg News (Aug. 19, 2026); The Guardian (Aug. 18–19, 2026); Politico (Aug. 19, 2026); New York Times news report and interactive results (Aug. 18–19, 2026); USA Today news and analysis (Aug. 18–19, 2026); NBC News primary results (Aug. 18–19, 2026); CNBC (Aug. 19, 2026); Cowboy State Daily (Aug. 19, 2026); Wyoming Public Media (Aug. 19, 2026); WyoFile (Aug. 19, 2026); New York Times Wyoming gubernatorial report (Aug. 18–19, 2026). Election market odds from our own consensus data across Kalshi and Polymarket; all prices as of the morning of Aug. 19, 2026.