We may have to travel from Calgary to Vancouver sometime around the end of October. I know there are chains laws at that time Our mh is a 42 ft. and we do not have snow tires nor are there any availab...
Just watch "Highway thru Hell" on the Weather Channel for examples of how bad it can get fast.
I left Alaska on the last day of September in 2019. I was worried about the BC chain requirement. Fortunately, the weather was good so I don't think the RCMP were out looking for potential violators.