You'll probably be going to Cali at night. Never hit 70 mph in California. It's a reckless driving ticket. Drivers have been let go.
Practice putting on a set of chains. Since you're starting right b4 snow season, it'll give you a little idea of what is involved. Get them as tight as u can. Make sure window fluid is full on snow days. It goes quick.
If you're going north on a possible snow day, make sure one of your trailers has zero hazmat in case you need to drop a trailer.
Here's a link to check road conditions in Utah.
That should get you started.