Opensnow.com is a snow forecasting site that is designed to provide more than accurate information. Joel Gratz, founder and CEO of OpenSnow, grew up around snow and is passionate about skiing. The service provides customized reports for several locations and offers the worlds first “Ask the Weatherman” section. The OpenSnow API provides access to this wealth of snow knowledge.
The OpenSnow API is RESTful and returns data in several formats including: XML, JSON, and CSV. The ProgrammableWeb directory has 82 weather APIs listed in it and that includes this service.