You should be out plowing right now! :-)
I have done the chain thing in the past as well; works good.
There is alot of nitrogen in rainwater, so therefore in snow, too. We have been lucky; it has been a mild, mild "winter" in WI this year.
If you get cold, you can make a real cheap "windbreak" from an appliance box. An empty appliance box, that is. I did that one winter,for the H that I had, for which I used to plow snow. I had just gotten a new refrigerator, and with some tape and a utility knife, I stuck that empty box on the H. Even had a door in the rear! I wish I had taken pictures; it looked ridiculous! I had a warmer time plowing snow that year though. It helps! A bit of a fire hazard, so be warned!
Best of luck!