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Snow Survey

Washington Snow Survey Program

The NRCS Snow Survey Program provides mountain snowpack data and streamflow forecasts for the western United States.  Common applications of snow survey products include water supply management, flood control, climate modeling, recreation, and conservation planning.
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Snow Survey Data, Products, and Reports

Snow & Precipitation

Current Water Year  |  Historic Data  |  30-Year Climatic and Hydrologic Normals
Water Supply

Water supply outlook reports, Streamflow forecasts and Reservoir storage
Site Information

Basic information and maps for all SNOTEL and snow course sites
Climate & Soils

Soil moisture/temperature data, Fire weather data, Climate summaries by county
Clickable GIS Maps

Map-based access to current and historic data for SNOTEL sites in Washington, Oregon, and northern California

Additional Snow Survey Information & Quick Links