Document

Quarterly Climate Impacts and Outlook for the Western Region - December 2025

Document Author

NOAA

Document File

Quarterly Climate Impacts and Outlook for the Western Region - December 2025 (1.14 MB)

Document Date

December 19, 2025

Document Type

Outlooks

Document Description

Quarterly Climate Impacts and Outlook for the Western Region for September–November 2025. Dated December 2025.

Autumn temperatures were above normal across the West in every state except for parts of California. Records were observed in Washington, Oregon, Idaho, Utah, New Mexico, and Nevada for warmest Autumn. Areas of below normal precipitation occurred in northern Montana and southeastern New Mexico. Most of California, western and southern Nevada, and Arizona saw areas of well above normal precipitation in Autumn. Record wet Autumns were set in Las Vegas, NV, Santa Barbara, CA, Phoenix, AZ, and Bakersfield, CA.

NOAA’s Regional Climate Services Program creates these climate outlooks to inform the public about recent climate impacts within their respective regions. Each regional report contains easy-to-understand language, and anyone can access them through the U.S. Drought Portal.