Weed became legal in Illinois when the Cannabis Regulation and Tax Act was signed into law on June 25, 2019. The Cannabis Regulation and Tax Act made cannabis legal for adults 21 years or older beginning on January 1, 2020. However, the Cannabis Regulation and Tax Act did not completely legalize the possession and use of cannabis.
Possession Under Age 21
Cannabis possession by people under the age of 21 remains illegal. Possessing up to 10 grams is punishable by a minimum fine of $100 and a maximum fine of $200. Residents of Illinois that are 21 or older can