Yeah, there's a ton of free software out there that can do this for you... auto populate each screen with whatever you choose, input weather gadget, pictures etc.
Here's a few:
https://focusky.com/focusky-free-slideshow-maker.php
http://www.capterra.com/digital-signage-software/ (compiled list)
http://www.sixteen-nine.net/2015/11/17/options-free-digital-signage-software/ (compiled list)