Yes
Open since the storm ? Not sure what that means, even if they had some power issues - Fishkill Walmart and Sam's share a back backup power system that will keep vital systems operational for up to a week without any assistance from the grid.
Yes they are opened
All looks good
Yes, but they are still restocking refrigerators so no dairy, or meat products
Call them, and find out for your self!
Thanks! Your answer is awaiting moderation.