In the winter the firewood should be stored right next to the house, some of it inside the house. In fact the wood that you intend to burn now should be inside the house otherwise when you put it on the fire it will depress the fire. I have one day of firewood stacked next to the woodburner and several weeks in the vindfang (an unheated porch with doors both sides). The rest is stacked at the back of the house and it would be accessible even if a drift buried the house assuming that we are just averagely fit.

We aren't preppers but it makes no sense to rely on just in time deliveries in midwinter so we buy or otherwise obtain the wood for most of the winter in October or November