Snowfall Maps
NWS Daily Contour Maps:

CoCoRaHS Daily Observations:

NWS Monthly Snowfall:

U.S. 7am Snowfall Analysis (24, 48 & 72 hour) Colorado New Snow Map or
Colorado Precipitation (change to Snowfall map)
NC/NE Colorado (contour maps)

Snow Depth Maps
NOHRSC Daily Map: CoCoRaHS Daily Maps: NRCS SNOTEL Maps: NCDC Daily:
Colorado Modeled Snow Depth Map Colorado Snow Depths or
Colorado Precipitation (change to Snow Depth)
Daily Snow Depths in Colorado or
Daily Westwide Depths or
Snow Depths in Colorado
Colorado Snow Depth & Snowfall Maps

NWS National Operational Hydrologic Remote Sensing Center (NOHRSC) Maps
Central Rockies including Western Colorado
Snow Depth
Snow Water Equivalent (SWE) Change
Snow Melt
Western Plains including Eastern Colorado
Snow Depth
Snow Water Equivalent (SWE) Change
Snow Melt

Maps/Graphs of Natural Resources Conservation Service (NRCS)
SNOTEL data (mountain snowpack snow water equivalent)

Snowpack Maps

% of Median (by River Basin) (by Basins & SNOTELs) % of Median (by SNOTEL sites) additional NRCS Maps (by SNOTEL sites)
NRCS Colorado Daily or
NRCS Westwide Daily or
WRCC Colorado Daily or
NRCS Colorado update
NRCS Colorado % of Median update NRCS Daily Colorado or
CBRFC Daily West of the Divide or
NRCS Daily Westwide or
NRCS Colorado update
Westwide SWE Ranking Percentile or
Colorado inches SWE in Snowpack

Snowpack Time Series Graphs

NRCS Snowpack Comparison Past 4 Years NRCS Snowpack Comparison Hi/Low Years Colorado Basin RFC Daily Snowpack (west of the Divide)
Statewide or
South Platte River
Upper Colorado River
North Platte River
Arkansas River
Upper Rio Grande River
Gunnison River
San Miguel,Dolores,Animas
Yampa & White Rivers
Statewide or
South Platte River
Upper Colorado River
North Platte River
Arkansas River
Upper Rio Grande River
Gunnison River
San Miguel,Dolores,Animas
Yampa & White Rivers
choose a Snow Group (once a graph displays - then choose SNOTEL sites/years below)

U.S. Snowfall Forecasts /Snowpack Projections Graphs

NWS WPC U.S. Snowfall Forecasts NRCS Non-Exceedence Projection Graphs
24-hr Probability Maps
48-hr Probability Maps
72-hr Probability Map
Additional Forecasts

NWS Graphical Forecasts - Colorado
click 'Snow Amount' & red arrows
Statewide or
Upper Colorado River
South Platte River
North Platte River
Arkansas River
Upper Rio Grande River
Gunnison River
San Miguel,Dolores,Animas
Yampa & White Rivers
NRCS Guide for Interpreting Projection Graphs


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