Fastest-Warming States and Cities in the Mountain West, 2025

Authors

• Maisoon Faris, University of Nevada, Las VegasFollow
• Kahlen Coss, University of Nevada, Las VegasFollow
• Kevin Yang, University of Nevada, Las VegasFollow
• Caitlin J. Saladino, Brookings Mountain West & The Lincy InstituteFollow
• William E. Brown Jr., Brookings Mountain WestFollow

Document Type

Report

Publication Date

9-4-2026

Publication Title

Environment Fact Sheet No. 24

Publisher

The Lincy Institute and Brookings Mountain West

First page number:

1

Last page number:

2

Abstract

This fact sheet presents data published by Climate Central on the change in average annual temperatures for the five Mountain West states of Arizona, Colorado, Nevada, New Mexico, and Utah and 15 Mountain West cities from 1970 to 2025. City-level data are derived from Applied Climate Information System (ACIS) operated by National Oceanic and Atmospheric Administration (NOAA), state-level data are derived from NOAA’s National Centers for Environmental Information (NCEI).

Keywords

Temperature; Climate; Arizona; Colorado; Nevada; New Mexico; Utah

Disciplines

Environmental Policy | Environmental Sciences | Environmental Studies | Public Policy | Urban Studies

File Format

pdf

File Size

107 KB

Language

English

Publisher Citation

Faris, M., Coss, K., Yang, K., Saladino, C.J., Brown, W.E. (2026). Fastest-Warming States and Cities in the Mountain West, 2025. The Data Hub at The Lincy Institute and Brookings Mountain West. Environment Fact Sheet No. 24, 1-2.

Repository Citation

Faris, M., Coss, K., Yang, K., Saladino, C. J., Brown, W. E. (2026). Fastest-Warming States and Cities in the Mountain West, 2025. Environment Fact Sheet No. 24 1-2.
Available at: https://oasis.library.unlv.edu/bmw_lincy_env/24