Our DD and I are going to drive to Oregon over Thansgiving.I have checked out two routes - one being I 40 to Bakersfield, CA and then turn right, the other one is via Salt Lake City, which is 6 hours less driving. We are driving a Corolla. What are the chances that we get hit by snow driving the northern route? How tricky is it? We have 4 days at the most to get there. TIA

Update:
Drove there, it was great. We were very lucky that the weather played along. I flew back home and now I really miss my baby (she's in school in Corvallis now).