The drive is roughly 4 and a half hours.
Under the section Travel in this website, it provides a link and pricing information for the Hard Rock Hotel in South Lake Tahoe. Troy and Jamie have secured a room block for their guests and have offered discounted rates for your stay. It also includes instructions on how to book with the room block
No, definitely not. However, it would be the wisest and most convenient choice as the wedding is taking place here and you're being offered discounted rates.
We will be keeping a very close eye on the weather all the way up until the wedding and will update the entire group if anything arises. You can also check the Cal Trans website as well. https://dot.ca.gov/
It is highly recommended that if you do not have an all wheel drive, or snow tires that you definitely be prepared with snow chains for your vehicle.