cpc.ncep.noaa.gov
The Climate Prediction Center is part of the National Weather Service and National Centers for Environmental Prediction. It provides outlook products including 6-10 day, 8-14 day, one-month, three-month and week 3-4 outlooks, along with a U.S. Hazards Outlook, drought information, and ENSO diagnostic discussions. The site also offers monitoring and data products covering El Niño/La Niña, the stratosphere, monsoons and the Pacific Islands.