Idaho 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.

Snow Survey News

News Release: TOO EARLY TO TELL IF DRY JANUARY WILL AFFECT SUMMER WATER SUPPLY
BOISE, ID, February 7, 2013 – January precipitation was below normal across most of Idaho according to the latest water supply outlook report released this week by Natural Resources Conservation Service (NRCS). The report shows the snowpack decreased by up to 30 percentage points from a month ago. “If February is dry, the snowpack and streamflow percentages will decrease like they did in January,” said Ron Abramovich, NRCS Water Supply Specialist. “That could affect the water supply this summer.” Read more...

The February 2013 Water Supply Outlook Report is now online.
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February 1, 2013 Water Supply Outlook Report  (440 KB)

New Latest information about changing the 30-year period for climactic "normals" or averages.
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Monthly Site and Basin Comparison Table of Old vs. New Normals:   January 1 (96 kb) | February 1 (96 kb)