SRI problems in snow and high altitudes? new pics up

so i just got a little sri today, nothing fancy, ill post pics later, but i was wondering. is this a bad idea for any long trips to high altitudes? i live in san diego and im going to big bear for a snowboarding vacation with my dad for a week. its supposed to snow alot and im wondering if the altitude, thin air, snow and cold weather is gonna be a bad thing for the sri. i havent had any CEL's since i put it in so i guess thats good. any help is appreciated. thanks everyone.