Us 395 is usually dry up to Mammoth Lakes... Assuming no recent storms.
My experience is once you get past Mammoth you can have ICE anywhere until you get to the Carson Valley.
Good weather is melting snow, which of course can run across the road. We just lost a good ADV inmate in this situation in the Sierra's.. Let's not have this happen again..
Highway US 95 through Tonopah is in the dry part of Nevada and may be a better option.. In Bishop head east on the the 6 and 360 cut offs to get to 95 without actually going to Tonopah though. We ride to Tonopah every January and never have ice unless it just snowed, then it sublimates quickly because it never gets over 32 degrees.
I'd only do this with electric clothing and survival clothing just in case the electrics fail... Not to mention other survival gear.
Good Luck. (I'm trying to get to Truckee on the bike myself
negative 15 last night!)