Quarterly Climate Impacts and Outlook for the Western Region for March–May 2025. Dated June 2025.

Spring temperatures were near to above average for most of the West, with some pockets of below-average temperatures along the California coast and in other parts of the Southwest. In large swaths of the West, less than 70% of average precipitation was observed. Less than 50% of average precipitation was observed in parts of north-central California, southern Arizona, and southwest New Mexico. 

Quarterly Climate Impacts and Outlook for the Western Region for December 2024–February 2025. Dated March 2025.

Winter temperatures were above normal across the Southwest with California and Arizona both ranking as the fourth warmest on record. Temperatures were closer to normal in the Pacific Northwest and northern Rockies with some areas of below-normal temperatures in Montana. Winter precipitation was much below normal across the Southwest. Much of Oregon, eastern Washington, southern Idaho, and Montana saw above-normal winter precipitation.