Use a faster shutter speed to freeze falling snow and movement
Use a wider aperture to let in more light
Increase ISO as needed to maintain proper exposure
Meter for the snow to avoid underexposure
Add positive exposure compensation if the snow looks gray
Shoot in RAW for better white balance and exposure recovery
Set white balance manually or use a custom white balance
Protect your camera and lens from moisture and condensation
Keep batteries warm and carry spares
Use a lens hood to reduce snowflakes hitting the front element
Clean the lens frequently to remove snow and water droplets
Use a tripod for stability in low light
Focus carefully, since snow can confuse autofocus
Include darker subjects for contrast against the snow
Watch for overexposed highlights in bright snow scenes
Use continuous shooting for action in snowy conditions
Shield the camera from direct snowfall when possible
Let gear acclimate before moving it indoors to prevent condensation