We are weather geeks.  Especially when this season has been full of storms and powder snow.   

Here are some of our favorite weather sites for Bariloche, Cerro Catedral, and Argentina.  The weather in Patagonia is less predictable than other places in the world - which is why we list various sites.  The first two links are all that most enthusiasts really need.

snow-forecast : free 3-day weather service for 3 different different altitudes on the ski slopes at Cerro Catedral.

Alta Patagonia:  Current on-slope conditions and lift info, in Spanish

Accuweather : Excellent for the city and the airport, with 15-day forecasts and good satellite images

weather.com : general Bariloche from a popular weather site, with great satellite images

weatherbug.com : another general weather site, with full South America satellite 

Argentina National Weather Service: Argentine Government Service, in Spanish
        - live satellite animation  

Nasa : Nasa World Satellite 

Metvuw: New Zealand Weather Service. Forecasts for every six hours up to 72 hours

sunrockice : Collection of Weather Sites from New Zealand
      (check out South Polar satellite shots)

bom : Australia Weather Service, South Pacific MSL analysis

wisc.edu :  World Satellite Composites from the University of Wisconsin 

Centro Atomico Bariloche :  Historic weather data from Bariloche's Atomic Research Center  (in Spanish)

Regional Ski Centers :  Daily weather updates from the national newspaper "La Nacion", in Spanish