President Joe Biden has started calling some projected Democratic winners while watching results coming in, according to a White House official.

According to the White House, the president has made congratulatory calls to Massachusetts gubernatorial candidate Maura Healey, Rhode Island Gov. Dan McKee, Vermont Senate candidate Peter Welch, Illinois Gov. J.B. Pritzker, Colorado Gov. Jared Polis, Delaware Rep. Lisa Blunt Rochester, Colorado Sen. Michael Bennet, Maryland Sen. Chris Van Hollen, New York Senate Majority Leader Chuck Schumer, and Virginia Reps. Abigail Spanberger and Jennifer Wexton, all of whom ABC News has projected to win their respective races.

-ABC News' Molly Nagle, Mary Bruce and Sarah Kolinovsky

ABC News can project that Republican John Kennedy will win a third term to the U.S. Senate. Kennedy faced a number of challengers, including Democrats Luke Mixon and Gary Chambers Jr.

In Louisiana, all candidates regardless of party affiliation compete in a first-round election, in which a candidate can win by receiving more than 50% of the vote.

Polls have now closed in Montana, Nevada, Pennsylvania and Utah. Polls typically close at 8 p.m. statewide in Pennsylvania, though polling location hours were extended to 10 p.m. in Luzerne County after the county reported delays with voting due to paper shortages.

ABC News can project that Republican Gov. Kristi Noem will win her bid for reelection in South Dakota against Democratic challenger Jamie Smith.

Rep. Tony Cárdenas, a Democrat from California, officially announced his run for chairman of the Democratic Congressional Campaign Committee for the 2024 cycle on Friday. He is the first to jump in the race.

"If you elect me as the next chair of the DCCC, I promise to fight alongside you to win in 2024 so we can continue delivering for working families in the United States and adding to our great progress," he wrote in a letter to House Democrats.

Cárdenas highlighted his experience leading BOLD PAC, the campaign arm of the Congressional Hispanic Caucus. If elected as chair, he pledged to improve resources for members, build an "effective" leadership team and invest in communities of color.

Rep. Sean Patrick Maloney, the current DCCC chair, lost his reelection race to Republican Mike Lawler in what was one of the biggest victories so far for Republicans this cycle.

"In New York, we defeated the Democrat campaign chairman Sean Patrick Maloney, which will be the first time in over 40 years a DCCC chair lost his reelection," House Minority Leader Kevin McCarthy touted at an election night party in Washington, D.C.

-ABC News' Lauren Peller