2025 in Montana

The following is a list of events of the year 2025 in Montana.

Incumbents

January 1 – Local AM radio stations KLCB and KTNY cease operations.
January 5 – 6: Montana is affected by the January 5–6, 2025 United States blizzard.
April 17 – 2025 Southwest United States measles outbreak: The Montana Department of Public Health and Human Services confirms the first case of measles in the state since the 1990s.
June 9 – The Montana Supreme Court upholds a lower court ruling that decided abortion restrictions from a 2021 state law were unconstitutional.
August 1 – Four people are fatally shot at a bar in Anaconda. The suspect flees and is arrested on August 8.
August 13 – A federal district court settlement dictates that the Montana Office of Public Instruction must provide education up to age 22 for students with individualized education programs.
October 22 – Four people are killed in a helicopter crash near Ekalaka. The four victims are identified as relatives of former Illinois State Senator and gubernatorial candidate Darren Bailey.
December 31 – The Montana Supreme Court dismisses a misconduct case against State Attorney General Austin Knudsen.