Yes, recreational cannabis was legalized in Montana in November 2020 when voters approved Initiative 118. The new law went into effect on January 1, 2021, but commercial sales did not begin until early 2022.
Initiative approval: The measure to legalize recreational use was approved by voters in November 2020.
Legalization date: The new law took effect on January 1, 2021.
Commercial sales: The state's legal recreational cannabis market launched in early 2022.