× NIDIS Weekly Summary Precipitation Snow Streamflow Surface Water Evaporative Demand Outlook Composite Drought
Evaluator eXperiment (CoDEX)
Experimental HiRes
Gridded Tool
☰ menu
NIDIS Intermountain West
Drought Early Warning System
August 15, 2017

Current Snowpack Maps


Snowpack as a percent of average maps update daily during the snow season. Values are basin-wide averages for all SNOTEL stations within that basin. Maps provided by Natural Resources Conservation Service and the Western Regional Climate Center.

SWE Time Series


The SWE time series graphics average SWE over time for a group of SNOTEL stations in each basin. These graphs are provided by the Colorado Basin River Forecast Center. The product itself is updated daily, but on this page are typically updated every Monday during the cold season.