Wyoming Cannabis Laws for Travelers

Possession limits, transport rules, and where you can legally consume in Wyoming.

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Fully Illegal

Quick Facts

Public Possession

None — all cannabis is illegal

Home Possession

None — all cannabis is illegal

Transport Rules

Cannabis is completely illegal in Wyoming. Colorado border is closely watched. Yellowstone and Grand Teton national parks are federal land — cannabis doubly illegal.

Medical Reciprocity

No Reciprocity

Wyoming has no medical cannabis program. All cannabis possession is illegal and subject to criminal penalties.

Dispensaries & Purchasing

No licensed dispensaries. No medical or recreational program of any kind in Wyoming.

Purchase limit: N/A — no legal market

Where You Can Consume

Illegal — criminal offense

Key Facts for Travelers

Wyoming has no medical or recreational cannabis program
All cannabis possession is illegal and subject to criminal penalties
Yellowstone and Grand Teton national parks: federal land — cannabis illegal regardless of state borders
Colorado border: do not bring cannabis from Colorado into Wyoming
No legalization ballot measure is currently scheduled

Never Cross State Lines with Cannabis

Transporting cannabis across any state line is a federal crime under the Controlled Substances Act, regardless of laws in both states. This applies to driving, flying, and mailing. Penalties range from fines to felony charges.

Frequently Asked Questions

Is cannabis legal in Wyoming?

No. Wyoming has no medical or recreational cannabis program. All possession is illegal.

Can I bring cannabis near Yellowstone from Montana?

No on two counts. First, Wyoming state law prohibits all cannabis possession. Second, Yellowstone National Park is federal land where cannabis is illegal regardless of any state laws.