Snow Survey

Idaho Snow Survey Program

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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.

Snow Survey Data, Products, and Reports

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Snow & Precipitation

Current Water Year
Historic Data
30-Year Normals

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SNOTEL Data & Products

Updated information specific to SNOTEL sites. i.e. SWE, snow depth, temperature, precipitation, soil moisture, etc...

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Water Supply

Water Supply Outlook Reports
Surface Water Supply Index (SWSI)
Streamflow Forecasts
Reservoirs Storage
Peak Streamflow Information
Water Supply Presentations by Year

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Winter Recreation

Snow depth reports and graphs, wind data, ski area reports, etc...

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Climate Summaries by County
Soil Moisture & Temperature Graphs

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Site Information

Data site locations, maps, descriptions, etc...

Additional Snow Survey Information