Step 1

This is the image we will use to add the snow effect to.

Step 2

The image size is 12 inch X 8 inch and the resolution is 100. Adjust the colors of this image.
Go to "Image -> Adjustment -> Hue/Saturation" and reduce the saturation and lightness.

Step 3

Double click the layer and select blending option "add gradient overlay" for the following values.

Step 4

Use the pen tool and select the marked area. (see the yellow line)

Step 5

This image shows you the path.

Step 6

Right click the path option, and select "make selection".

Step 7

Enter the feather radius 1 pixels.

Step 8

Now create a new layer and fill the path selection with white color.

Step 9

Select brush tool from tool menu and select "spatter 27 pixels" brush from the brush gallery and enable the scattering option. (see the image below)

Step 10

The brush size is 25.

Step 11

Use the brush tool and select the white color and brush the edges so they look like the below image.

Step 12

Apply the same steps on the other side.

Step 13

And little bit of brush on the walls, windows and trees.

Step 14

Select the grass and fill it with white color.

Step 15

Touch the edges with Brush tool.

Step 16

Then go to "Layer -> New adjustment Layer -> Gradient".

Step 17

Enter this value.

Step 18

Now create another new layer and fill it with black color.

Step 19

Then goto "Filter -> Sketch -> Graphic pen".

Step 20

Apply these values.

Step 21

Now set the blending mode to "screen" and reduce the fill to 80%. Then go to "filter -> blur -> motion blur".

Step 22

Apply the following value.

Step 23

This is the final image.

Step 24

Hope you enjoyed this tutorial. Good Luck!