if you get stopped it is possible that they could extradite you back to another state and hold you there to be charged and trialed.
yeppers.....you may be fucked here shortly depending on how much weed you were caught with selling and how soon you get stopped.
but there are those people that slip under the radar until 40 years later they get a traffic stop somewhere and they find that shit. my friend recently had this happen with a theft by deception charge that happened over 30 years ago. he is a truck driver and got stopped one day in a weigh station and they locked him up for that shit. since then the charges have been dropped down to some b/s but it was a big hassel for him being a truckdriver with a load and being in jail.