STATE LAW GUIDE
Wyoming
Fully Illegal
Cannabis is fully illegal in Wyoming. No medical or recreational program exists, and possession of any amount remains a criminal offense in the state.
Possession
Possession of 3 oz or less is a misdemeanor. More than 3 oz carries felony charges.
ILLEGAL
Your Job
No employment protections exist for cannabis use. Employers may fire for any detected usage.
EMPLOYMENT
Use Site
Cannabis consumption is illegal everywhere in Wyoming. There are no safe spaces for legal use.
USAGE
Driving
Wyoming has a per se zero tolerance law. Any detectable THC while driving is a DUI offense.
SAFETY
Traveling
Transporting cannabis into Wyoming is a criminal offense at both state and federal levels.
CRIMINAL
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Zero Tolerance Prosecution
State authorities maintain a strict prohibition stance. Law enforcement in Wyoming actively prosecutes possession cases, and the lack of a medical framework means all forms of the plant are treated as controlled substances under the current criminal code regulations.
State Legislative Standpoint
Legislative efforts to decriminalize or legalize remain stalled in Wyoming. The state house continues to uphold traditional prohibition, ensuring that any cannabis activity—including the trade, gift, or use of the substance—is met with significant legal penalties and fines.
Prohibited
Home Cultivation
Illegal in Wyoming. Growing any number of plants for any purpose is a serious criminal offense in the state.
No Rec
Out of State Cards
Wyoming does not recognize any out-of-state medical cannabis cards. Visitors are subject to local laws.
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Legal Sources
Last Verified: June 2026