Can tourists use weed in Montana?
Yes.
Weed is legal in Montana for adults 21+. Updated October 2026.
Tourist rules
Visitors to Montana are generally subject to the same recreational cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Yes — weed is legal in Montana for adults 21+.
The same 21+ age floor applies to visitors.
Do not treat a domestic ruling as permission to carry weed through customs.
Frequently asked
Is weed legal in Montana?+
Yes — weed is legal in Montana for adults 21+.
Is weed legal everywhere in Montana?+
The recorded status for Montana as a whole is legal. Local bylaws can still add conditions.
What is the legal age for weed in Montana?+
The recorded minimum age is 21.
How much weed can you possess in Montana?+
The recorded possession limit is 1 oz (28 g).
Can tourists use weed in Montana?+
Visitors to Montana are generally subject to the same recreational cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Can you grow weed at home in Montana?+
Home cultivation is recorded as: yes (four plants).