It will be ok as long as it is less than 4" of snow, more than that and the frame is going to drag in the snow and you will get stuck.
Toyota also rusts a LOT faster then other brands on northern roads, some have even rusted in half. No I am NOT joking. See it here: http://www.toyotaframerust.com/
Yes those are trucks and SUVs in the link but it still points out that Toyota has a sever rust problem and should be avoided.
Toyota Obsession will now use some of her 20 accounts to give me thumbs down for point out the truth.