WeedLawsUSA
WY
Prohibited

Wyoming Cannabis Laws

Full prohibition — surrounded by legal states, one of the last holdouts.

At a Glance

Recreational
Not legal
Medical Program
None
Possession Limit
Illegal — any amount
Home Grow
Not allowed
Public Use
Prohibited
Dispensaries
None
Cross State Lines
Always illegal (federal)
Delivery
Not available
Job Protections
No protections

What Visitors Need to Know

Wyoming has zero cannabis legalization and is one of the most resistant states to reform. Complete prohibition with real criminal penalties. Surrounded by legal states (Montana, Colorado, Utah/Nevada accessible, Idaho is also prohibition), Wyoming is a strict enforcement zone. Don't drive through Wyoming with cannabis from Colorado heading north — I-25 is actively patrolled.

Major Cities

Cheyenne
State capital — zero tolerance.

Cheyenne has no cannabis options. Colorado is only 2 hours south with full recreational access. Don't drive back through Wyoming with it.

Casper
Oil city — prohibition.

Casper has no cannabis market. Montana (legal) is to the north. Colorado (legal) is south.

Jackson
Ski resort — prohibition.

Jackson Hole is a luxury destination near Grand Teton National Park. Cannabis is completely illegal. The wealthy tourist crowd creates demand but the law has no exceptions.

Dispensary hours, prices, and local rules change frequently. Always verify before visiting.

Legal Background

Wyoming has no medical or recreational cannabis program. Possession of up to 3 oz is a misdemeanor. Wyoming has consistently rejected cannabis reform efforts. Colorado to the south is recreational legal; Montana and South Dakota are also legal to varying degrees.

Finding Local Rules

Wyoming has zero cannabis legalization. One of the most resistant states to reform. Colorado (recreational) is accessible from Cheyenne and Casper.

    Search terms
    "cannabis ordinance" "adult use cannabis" "retail cannabis license"
    ⚠️ Cannabis laws change quickly. Always verify before visiting or making decisions. Full disclaimer →
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    Last reviewed: 2026-03-21 · Laws change — always verify