Sen. Dean Heller (R-NV) clings to a 3-point lead in Nevada's Senate race, according to the latest NBC News/Wall Street Journal/Marist College poll released Thursday night.

The poll shows Heller earning the support of 48 percent of likely Silver State voters, while Democratic Rep. Shelley Berkley (D-NV) trails with 45 percent. Heller's lead falls within the poll's margin of error.

The PollTracker average shows the Nevada Senate race neck-and-neck, with Heller holding a lead of less than 2 points.