HARTFORD, S.D. -

Voting is now underway in South Dakota. Candidates arrived at the polls early to vote in the 2016 presidential election.

U.S. Representative candidate Paula Hawks cast her ballot around 7:15 a.m. in Hartford. Hawks is running against incumbent Rep. Kristi Noem.

Jay Williams, running against incumbent Sen. John Thune cast his vote Tuesday morning in Yankton.

Long lines are being reported at polling locations across Sioux Falls. More than 200 people had already cast their ballot at 8:45 a.m. at Harvey Dunn Elementary.

For a map of polling locations, click here.

For a list of polling locations, click here.

Polls are open until 7 p.m.