I'm no expert but here are some ideas that we use to be prepared for power outages in the winter.  One thing to keep in mind is that in bad storms just packing up and going down the hill may not be an option for an extended period of time.

1)  Keep a stock of canned food, pasta, and other non-perishable foods available.

2)  Install a heat source that does not depend on power, like a wood burning stove, a gas fireplace that heats without power, etc.  Keep in mind that some "wood burning" pellet stoves and some gas heaters still require power.

3)  Make sure you keep a store of fuel for your heat source long enough to last you several days, readily accessible, and protected from the elements.

4)  Keep a camp stove and fuel handy.  Don't wait until the storm hits to replenish the fuel supply.  Also remember to never use any sort of fuel stove for heat for fear of Carbon Monoxide poisoning.

5)  Keep matches, candles, lanterns, and/or oil lamps handy.  We also try to keep a working flashlight in every room.  Also, stock up on spare batteries that fit all the lanterns and flashlights.

6)  If you want to use a generator, keep in mind that somehow, you are going to need to be able to take yourself "off the grid".  If you just try to plug your generator into one of your light sockets (doesn't sound safe to me!), you may be inadvertently trying to power the entire grid from your little generator.  I'd recommend having a qualified electrician set up a system for you on this one.

7)  Always keep at least a quarter tank of gas in your car.  If there are extensive outages you may have a long way to drive before you can fill up.

8)  Keep some coolers or tubs and plastic bags handy so you can move your perishable food out of the fridge and into the snow if power stay out for too long.  "Bear" in mind that if you do move food outdoors you might attract unwanted, hungry wildlife.

9) Keep an old fashioned wired phone around, and ATT phone wired service.  They stay up and running much more reliably than other phone system alternatives during sever weather.  I've heard that ATT offers an inexpensive, low usage, phone plan that one might get as a backup to a "package deal" comcast phone.

10)  Store up enough warm clothes, warm blankets, etc, to keep you and your guests cozy.

And last but not least, stay positive, patient, and try to keep everyone entertained with books, board games, puzzels, etc.

They say an ounce of prevention is worth a pound of cure.  Before you come up, check the forecast, road conditions, and maybe go have a look at what KCRA.com is saying about approaching weather systems.