Normally it is OK to wear your fur in snow or light rain. The guard-hairs and natural oils in fur should cause water to run off and not penetrate the leather under the fur. But, should water soak through to the leather it is important to seal your fur in a plastic bag to prevent it from drying and take it to a qualified furrier as soon as possible. A furrier will know what procedure to perform to prevent your investment from misshaping from either shrinkage and stretching.
Featured Article
You do not clean a fur coat just because it gets dirty. The number one concern with fur material is that the natural oils in the pelts will dry out. Once this happens the pelts become so brittle or tender that they will tear with incredible ease, rendering the garment useless.