Ah wind, 2005 I drove from timberline north to wisp at night in a nice storm. The whiteouts were many from the wind. I made it fine not many on the road.  It would depend on the depth of snow in the roadway. I was driving FWD 4 door. 

key tips: to get uphill, weight, speed, and slope determine optimal speed. too little you stop and slip.

Know about D1, D2, D3 in automatic transmissions.  

ZARDOG