NOAA’s National Integrated Drought Information System (NIDIS) and Physical Sciences Laboratory are partnering with the California State Climatologist/California Department of Water Resources, NOAA’s National Weather Service (NWS) and National Centers for Environmental Information (NCEI), and the California-Nevada Adaptation Program, a NOAA CAP team, to deliver a user-oriented and evidence-based approach to drought early warning for sectors of our Nation’s economy susceptible to the hazards of too much and too little water.

Quarterly Climate Impacts and Outlook for the Western Region for March–May 2024. Dated June 2024.

Spring temperatures were generally near normal or below normal for most of the West. Precipitation was near-to-above normal for most of the West with north-central Arizona and southeast Montana much above normal.

Quarterly Climate Impacts and Outlook for the Western Region for December 2023–February 2024. Dated March 2024.

Winter temperatures were above normal throughout the West with much of the region in the top 10% warmest winters since 1895. Precipitation anomalies were mixed for the winter season. Much of Oregon, northern Nevada, northern Utah, and eastern Colorado saw much above normal precipitation while northern Wyoming and parts of northern Idaho and Western Montana had much below normal precipitation.