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DATA & MAPS

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Looking to Download Data? The Drought.gov team reformats data from multiple partners into web- and GIS-ready formats, which we use throughout Drought.gov. These data are free for all to download.
Search Results(33)

River DroughtCast

River DroughtCast is an interactive online tool that delivers current streamflow drought conditions and weekly forecasts of streamflow drought at approximately 3,000 USGS streamgages with more than 40 years of data across the lower 48 states.

Data Coverage
Contiguous U.S.
Period of Record
December 2025–present (forecasts out to 13 weeks)
File Format
other
Data Type
Model

State Water Supply Outlook Reports for Western United States

Reports and data on streamflow, forecasts, reservoir storage and other hydrologic information for the Western United States.

Data Coverage
United States
Period of Record
1990 - Present
File Format
pdf
Data Type
Model

Streamflow Forecast Maps for the Western United States

Monthly streamflow maps comparing percent of monthly average flow to their respective 1981-2010 average. Available in spring and summer for the western U.S.

Data Coverage
United States
Period of Record
Current Conditions
File Format
images
Data Type
Model

The Climate Explorer

The Climate Explorer offers graphs and maps of observed and projected temperature, precipitation, and related climate variables for every county in the contiguous United States, helping people assess potential exposure, vulnerability, and risk to their assets.

Data Coverage
United States
Period of Record
Historical Data, Forecasts
File Format
images
csv
Data Type
Land-based Station
Model