In general, you won't be able to smoke or vape cannabis anywhere you can't smoke or vape tobacco. Cannabis use is prohibited in state parks, and on state beaches and waters. Check your town's Cannabis is illegal in Wisconsin, but businesses that produce and sell legal hemp based THC products due to a loophole in the 2018 Farm Bill are considering their next steps as federal law changes. Minnesota Supreme Court Reverses Vape Liquid Conviction Canna Law Blog Cbd Vape Thc Cartridge Legal Compliant Stock Photo 1495362671 Shutterstock Driving After Taking Any Form of Marijuana Is Unsafe