Yes. Montana cannabis laws permit marijuana consumption by smoking. All eligible cannabis consumers in the state, including registered medical marijuana patients, can legally smoke weed.
No, it is a punishable offense to smoke marijuana in public in Montana. Marijuana consumers in the state are prohibited from smoking weed on public transport or in school buses. Similarly, they may not smoke weed in correctional facilities, youth centers, school grounds, public parks, recreation centers, beaches, and other public spaces. The Montana Clean Indoor Air Act prohibits using smokable marijuana products in the following enclosed/indoor public spaces:
Montana prohibits smoking weed in a stationary or moving vehicle. It is illegal to use cannabis while driving a motor vehicle or to operate a vehicle after smoking weed. However, eligible consumers can travel with cannabis products within the state, provided they are in closed containers and tucked away from public view in locked storage compartments of the vehicle.
Adults (aged 21 years or older) and patients (aged 18 years or older), registered under the Montana Medical Marijuana Program, can legally smoke cannabis in Montana.
Cannabis consumers in Montana can smoke marijuana in their private residences with the owners' permission for those living in rented accommodations. State law prohibits smoking weed in outdoor public spaces, college campuses, public or private offices, and on federal properties. Montana makes no provisions for marijuana consumption lounges.