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Map the Midterms2026 midterms information · not official

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Montana 2026 midterms: ballot, races, and key dates

Montana’s Secretary of State says the 2026 cycle elects one U.S. Senator and both U.S. Representatives, and three ballot issues are marked qualified for the 2026 general election.

Last updated: October 19, 2026. Unofficial information. Confirm with your official election office (Montana Secretary of State — Elections).

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Official election office

  • Montana is on Mountain Time.
  • Registration dates on the 2026 election calendar are on the voting-deadlines page.
  • An early-voting period was not printed on that calendar read October 19, 2026. The Secretary of State publishes the calendar.
  • The absentee mailing date on that calendar is on the voting-deadlines page. A return deadline was not printed there.
  • Identification rules are published by the Montana Secretary of State.

Montana Secretary of State — Elections

Key 2026 general election dates

Dates below are paraphrased from the official pages linked on each line and were last checked against those pages on October 19, 2026. They can change. Montana Secretary of State — Elections publishes the current calendar. County voting hours vary. “Passed,” “Deadline today,” “In progress,” and “Upcoming” markers use only the date on the device. They ignore cutoff times and the state’s time zone, so a deadline marked for today may already have closed. The marker is not an official cutoff.

Voter registration

The calendar prints “Monday, October 5*” beside “Close of regular voter registration.” The legend says an asterisk indicates postponement. It prints “Registration forms postmarked by October 5 and received by this date are accepted for regular registration” on Thursday, October 8. It says late registration for the general election runs until 5:00 p.m. on the Friday before the election, the Saturday before the election, or before noon on election day. This page does not convert those relative lines into calendar dates.

Source: Montana Secretary of State — 2026 primary and general election calendar

Absentee ballot

The calendar prints Friday, October 9 as the date by which ballots are mailed to electors on the absentee list. A separate line says polling-place voters wishing to obtain a one-time absentee ballot must apply before noon on the day before the election. That line does not print a calendar date.

Source: Montana Secretary of State — 2026 primary and general election calendar

Early voting

The 2026 election calendar read on October 19, 2026 does not print a separate early-voting period. The Montana Secretary of State publishes the calendar.

Absentee return

The 2026 election calendar read on October 19, 2026 does not print an absentee-ballot return deadline. The Montana Secretary of State publishes the calendar.

Compare with other states · Montana Secretary of State — Elections

Questions about the Montana 2026 midterms

Short answers from the offices and race guides already linked on this page. Registration and voting rules are published by Montana Secretary of State — Elections.

What is on the Montana ballot in the 2026 midterms?
A Montana Secretary of State notice on the opening of 2026 candidate filing says that during the 2026 election cycle Montanans will elect one U.S. Senator, both U.S. Representatives, 25 state senators, all 100 members of the Montana House, and other offices including Supreme Court Justice and Public Service Commission. The proposed-2026-ballot-issues page lists CI-132, CI-133, and I-194 as qualified for the 2026 general-election ballot. The U.S. Senate Class II page, read October 19, 2026, includes Montana among seats whose terms expire in 2027. The ballot-issues page says the subject of a ballot issue may be paraphrased and that the statement appearing on the ballot is on a linked page. Those ballot-statement texts were not retrieved on October 19, 2026, so this page does not print a ballot title for CI-132, CI-133, or I-194. Other issues on that page are still gathering signatures, submitted, or not qualified, and they are not listed here.
Where are official Montana sample-ballot and registration pages?
Montana Secretary of State — Elections publishes the official sample ballot, registration, and election rules. Vote.gov: Montana registration information. Map the Midterms does not look up voter records, issue sample ballots, or request mail ballots.
Which Map the Midterms race guides cover Montana?
Map the Midterms does not yet publish a Montana race guide. Contests for an address are on the official sample ballot.
When is Election Day 2026 in Montana?
The 2026 U.S. midterm general election is Tuesday, November 3, 2026. The Montana Secretary of State’s 2026 election calendar prints Monday, October 5, with an asterisk, beside the close of regular voter registration, and the legend says an asterisk indicates postponement. It prints Thursday, October 8 for registration forms postmarked by October 5 and received by that date. It describes late registration through the Friday before the election, the Saturday before the election, or before noon on election day, and it does not convert those relative lines into other calendar dates. It prints Friday, October 9 as the date by which ballots are mailed to electors on the absentee list. Montana is on Mountain Time.
Is Map the Midterms an official Montana election website?
No. Map the Midterms is an informational site operated by Joshua Israel Ventures LLC, a Florida limited liability company. It is not a government, secretary of state, or county election website. The official election office for Montana is Montana Secretary of State — Elections. Registration, sample ballots, and voting rules are published there and on Vote.gov: Montana registration information.

Montana Secretary of State — Elections · Vote.gov: Montana registration information · Sample ballot structure