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June 30, 2025

Wet Start for the Monsoon over Drought-Stricken Southwest.

The North American Monsoon brings summer precipitation to parts of the Southwestern U.S. and Mexico. The monsoon season is June 15 to September 30, though the actual arrival of the monsoon can vary.

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Document Date
June 26, 2025
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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 and National Centers for Environmental Information, and the California-Nevada Adaptation Program (a NOAA CAP team) on the Sector-Specific Drought Early Warning Outlook – Southern California Pilot.

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Document Date
June 23, 2025
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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. 

June 12, 2025

Persistent Snow Drought and Rapid Spring Snowmelt Will Decrease Western Water Supplies and Increase Wildfire Risk

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Document Date
May 22, 2025
Document Description

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 and National Centers for Environmental Information, and the California-Nevada Adaptation Program (a NOAA CAP team) on the Sector-Specific Drought Early Warning Outlook – Southern California Pilot.

May 20, 2025

Record-Breaking Snowpack Melt Out Across the West

May 1, 2025

Rapid Melt Continues to Push Snowpack Below Median Across the West

April 10, 2025

Drought persists in central and southern California and Nevada. 

A potentially warmer than normal spring and summer could bring impacts to spring runoff, agriculture, and wildfire risk.

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Document Date
April 4, 2025
Document Description

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 and National Centers for Environmental Information, and the California-Nevada Adaptation Program (a NOAA CAP team) on the Sector-Specific Drought Early Warning Outlook – Southern California Pilot.

April 3, 2025

Spring Heat Wave Rapidly Melts Snow Across the West

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