Walmart, Sioux Falls, SD

It used to be allowed. There are, I think, two Walmarts. From what I remember neither allows overnight parking now.

As with any overnight parking...never rely on what you hear...either call the store or go inside and talk to management. Applies to Walmart, Lowes, Home Depot, etc

To get their current info give them a call.

Here is some info for you.

There is a nice campground off the interstate at cliff dr