← Idaho cannabis laws›Cannabis Possession Limits

Idaho Cannabis Possession Limits (2026)

Restricted: Possessing cannabis is illegal in Idaho, and up to 3 ounces is a misdemeanor punishable by up to one year in jail, a fine of up to $1,000, or both, plus a $300 mandatory-minimum fine that took effect January 1, 2026 (HB 7).

RestrictedVerified May 31, 2026

Cannabis laws change at state, county and city lines.Track them in the free LawLert iPhone app: it alerts you when you cross into a state where they differ, or into a city or county that bans cannabis sales where LawLert has the local rule, and when they change in your state. No account.Get the app

Possessing cannabis is illegal in Idaho, and up to 3 ounces is a misdemeanor punishable by up to one year in jail, a fine of up to $1,000, or both, plus a $300 mandatory-minimum fine that took effect January 1, 2026 (HB 7). More than 3 ounces is a felony.

Official source: legislature.idaho.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Cannabis Possession Limits in states bordering Idaho

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

MontanaPermitted
In Montana, adults 21 and older may possess up to 1 ounce, of which no more than 8 grams may be concentrate and no more than 800 milligrams of THC may be in edibles.
Verified May 31, 2026 · Source: mtrevenue.gov · Full Montana rule →
NevadaPermitted
In Nevada, adults 21 and older may possess up to 2.5 ounces of flower and up to a quarter ounce (about 7 grams) of concentrate — limits raised by SB277, effective January 1, 2024.
Verified May 31, 2026 · Source: leg.state.nv.us · Full Nevada rule →
OregonPermitted
In Oregon, adults 21 and older may possess up to 2 ounces of usable cannabis in public and up to 8 ounces at home, plus form-specific limits such as 1 ounce of extracts at retail, 16 ounces of solid edibles and 72 ounces of liquids.
Verified May 31, 2026 · Source: oregon.gov · Full Oregon rule →
UtahConditional
In Utah, recreational possession is a misdemeanor punishable by up to 6 months in jail. Registered patients may possess up to the lesser of a 30-day supply or 4 oz flower / 20 g total THC.
Verified May 31, 2026 · Source: medicalcannabis.utah.gov · Full Utah rule →
WashingtonPermitted
In Washington, adults 21 and older may possess up to 1 ounce of usable cannabis, 16 ounces of solid infused product, 72 ounces of liquid infused product, and 7 grams of concentrate.
Verified May 31, 2026 · Source: lcb.wa.gov · Full Washington rule →
WyomingRestricted
Marijuana is illegal to possess in Wyoming in any form. …
Verified Aug 27, 2026 · Source: wyoleg.gov · Full Wyoming rule →

Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free app

Track this law — get alerted when it changes

We watch the official sources behind Idaho cannabis rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.