In this quick Photoshop tutorial I will show you how to transform an image to a winter scene by using simple blending modes and a few simple textures to create a realistic snow effect.
Download the free textures here:
falling snow 1 - http://www.textures4photoshop.com/tex/clouds-and-sky/snowing-and-snow-overlay-texture.aspx
falling snow 2 - http://www.textures4photoshop.com/tex/clouds-and-sky/falling-snow-texture-background-for-free.aspx
dust cloud - http://www.textures4photoshop.com/tex/ground-dirt-and-sand/sand-dust-cloud-texture-overlay-free.aspx
You can also add some icicles:
http://www.textures4photoshop.com/tex/isolated-objects/seamless-icicle-png-free.aspx
For quick results try this Premium "Winter is Coming Photoshop Action" - https://graphicriver.net/item/winter-is-coming-photoshop-snowing-effect-action/13828287?ref=psddude