NIDIS Intermountain West Drought Early Warning System December 10, 2019
Current Snowpack Maps
Snowpack as a percent of average map updates daily during the snow season. Values are basin-wide averages for all SNOTEL stations within that basin.
Map provided by Natural Resources Conservation Service. SNOTEL percentile rankings map developed at the
Colorado Climate Center and updated once a week.
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.