Two words of advice from last time I Went wheeling in the snow:
1) Wheel in 4-hi, I never wheel in 4-lo, if you get stuck in 4-lo yous got nowheres to go. If you get stuck in 4-hi, put it in 4-lo and say bye
2) When youre done, (before you get on the road) take something, prefferably some hot...