National Weather Service United States Department of Commerce

New Experimental Winter Snowfall Graphics and Forecast Information Available Online

Experimental storm total snowfall graphics are now being generated at NWS offices across the country. These snowfall graphics provide a range of snowfall possibilities in order to better communicate forecast uncertainties. Expected, high-end, and low-end forecast snowfall totals are all included. Specific cities and towns can also be viewed in a tabular format, and can be sorted by county, too. Read More >

NWS Western and Central Wyoming - Local Hydrology Page

 Current Hydrology Report (pdf)

River Stage Information
Water supply forecasts are produced in cooperation and coordination with the National Resource Conservation Service, USDA

Snowpack Information
The National Resource Conservation Service, USDA is the source of data from SNOTEL sites and Snow Courses.

Precipitation Data

Additional Hydrological Information and Graphics

Local Hydrologic Information

National Sources of Hydrological Data