This Presidential Primary coincides with a state/local primary. These coinciding primaries tend to have an impact upon voter turnout.

Tuesday 7 June 2016 (presumably): Montana Primary. Hours 7:00a-8:00p MDT (1300-0200 UTC). A polling place with less than 400 registered voters must be open at least from noon to 8 p.m. or until all registered electors have voted. Delegate Pledging: Proportional Primary. Voter Eligibility: Open Primary.

Primary
Source: Montana Secretary of State.
Status: Official. Retrieved: Friday 1 July 2016.
Included in Nationwide vote.

Tuesday 7 June 2016 (presumably): 21 of 27 delegates to the Democratic National Convention are pledged to presidential contenders based on the results of the voting in today's Montana Presidential Primary. A mandatory 15 percent threshold is required in order for a presidential contender to be pledged National Convention delegates at either the congressional district or statewide level. How the Democratic Proportional Delegate Allocation Math works.

• 15 district delegates are to be pledged proportionally to presidential contenders based on the results of the primary. For the purposes of electing delegates, Montana's single congressional district is divided into an Eastern and a Western District.
• The Western district is similar to Montana's "old 1980 CD 1" (when Montana had 2 Congressional districts). The region includes: Beaverhead, Broadwater, Deer Lodge, Flathead, Glacier, Granite, Jefferson, Lake, Lewis and Clark, Lincoln, Madison, Mineral, Missoula, Pondera, Powell, Ravalli, Sanders, and Silver Bow counties.
• The Eastern district is similar to Montana's "old 1980 CD 2" (when Montana had 2 Congressional districts). The region includes: Big Horn, Blaine, Carbon, Carter, Cascade, Chouteau, Custer, Daniels, Dawson, Fallon, Fergus, Gallatin, Garfield, Golden Valley, Hill, Judith Basin, Liberty, McCone, Meagher, Musselshell, Park, Petroleum, Phillips, Powder River, Prairie, Richland, Roosevelt, Rosebud, Sheridan, Stillwater, Sweet Grass, Teton, Toole, Treasure, Valley, Wheatland, Wibaux, and Yellowstone counties.
• In addition, 6 delegates are to be allocated to presidential contenders based on the primary vote statewide.
  • 4 at-large National Convention delegates
  • 2 Pledged PLEOs

Primary
Source: Montana Secretary of State.
Status: Official. Retrieved: Friday 1 July 2016.

Clinton Eastern MT delegates:
Wanda Grinde, Billings
Carl Donovan, Great Falls
Monica Robinson, Bozeman
Clinton Western MT delegates:
George Kipp III, Heart Butte
Nick Lockridge, Helena
Carol Williams, Missoula
Caryn Kallay, CSKT
Sanders Eastern MT delegates:
Jennifer Merecki, Billings
Sue Frazier, Manhattan
Alex Lei, Bozeman
Andy Boyd, Bozeman
Sanders Western MT delegates:
Donovan Hawk, Butte
Teresa Jacobs, Missoula
Bill Geer, Lolo
Debbie Orozco, Arlee
Clinton at-large delegates:
Barnett G. Sporkin-Morrison, Choteau
Stacie Anderson, Missoula
Clinton PLEO (party leader/elected official)
Christine Kaufmann, Helena
Sanders at-large delegates:
Sharon Peregoy, Crow Agency
Anita Green, Missoula
Sanders PLEO (party leader/elected official)
Steve Wells, Missoula

Thursday 9 June 2016 (presumably): County Caucuses meet to elect delegates to the State Convention according to the results of the primary.

Saturday 11 June 2016 (presumably): State Convention

National Conventions delegates are elected according to the results of the primary.

The remaining 6 National Convention delegates consist of

• 6 Unpledged PLEO delegates:
• 4 Democratic National Committee members.
• 1 Member of Congress (1 Senator and 0 Representatives).
• 1 Governor.
• 0 Distinguished Party Leaders.

These 6 delegates and will go to the Democratic National Convention officially "Unpledged".