These assessments, datasets and interactive mapping products may be useful to tribes in investigating potential impacts of climate change across various regions of the US.

2014 National Climate Assessment
Published by the US Global Change Research Program, the National Climate Assessment (2014) summarizes the impacts of climate change on the United States, now and in the future. The report explores the impacts of climate change by sector and also by region. Sections that may be of particular interest to Southwestern tribes include: – Interactive map of climate projections 
Explore an interactive map of NASA climate data and projections for temperature and precipitation in the U.S. under low and high emissions scenarios, for the years 1950-2090.

The Climate Explorer
Part of the U.S. Climate Resilience Toolkit, the Climate Explorer provides interactive maps and graphs of historical and projected climate trends. The site provides specific topics of interest for tribal nations including sea level rise, storm surge, max/min temperatures, and river flooding. – climate datasets
A catalog of hundreds of different climate datasets including precipitation records, daily climate normals, GIS map layers and more.