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Illinois Cannabis Possession Limits (2026)

Permitted: In Illinois, residents 21 and older may possess up to 30 grams of flower, 5 grams of concentrate, and 500 milligrams of THC in infused products, and non-residents may possess half those amounts.

PermittedVerified May 31, 2026

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Official source: ilga.gov →

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

Cannabis Possession Limits in states bordering Illinois

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

IndianaRestricted
Possessing cannabis is illegal in Indiana, and it is a Class B misdemeanor punishable by up to 180 days in jail and a fine of up to $1,000. Penalties are enhanced for prior offenses or larger amounts.
Verified May 31, 2026 · Source: iga.in.gov · Full Indiana rule →
IowaConditional
Cannabis possession is illegal in Iowa for anyone who is not a registered patient. Registered patients are capped at 4.5 grams of THC per 90 days, and a practitioner may authorize more for terminal or established patients.
Verified May 31, 2026 · Source: hhs.iowa.gov · Full Iowa rule →
KentuckyConditional
Kentucky has no legal recreational possession, and possession by anyone who is not a registered patient remains a crime. Registered patients may possess up to a 30-day supply of non-smokable cannabis, or a 10-day supply for visiting patients.
Verified May 31, 2026 · Source: apps.legislature.ky.gov · Full Kentucky rule →
MissouriPermitted
In Missouri, adults 21 and older may possess up to 3 ounces of dried, processed marijuana, or the equivalent.
Verified May 31, 2026 · Source: health.mo.gov · Full Missouri rule →
WisconsinRestricted
Possessing cannabis is illegal in Wisconsin, and a first offense is a misdemeanor punishable by up to 6 months in jail and a fine of up to $1,000. A second offense is a Class I felony.
Verified May 31, 2026 · Source: docs.legis.wisconsin.gov · Full Wisconsin rule →

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