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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(27)

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

Sustainable Groundwater Management (SGMA) Data Viewer

This interactive tool shows California groundwater level data, including depth below ground surface, groundwater elevation, and groundwater change in elevation. 

Data Coverage
United States
File Format
csv
shapefile

Tree Mortality Viewer

Interactive map shows results of 2012-2018 aerial tree-mortality surveys: numbers of dead trees per acre, high hazard zones, asset locations and more information related to drought-caused tree mortality and subsequent bark beetle infestations.

Data Coverage
United States
Period of Record
2012 - 2018
File Format
images
pdf

U.S. Agricultural Commodities in Drought

The U.S. Department of Agriculture produces weekly maps and charts displaying locations and percentages of drought-affected areas corn, soybeans, hay, cattle, and winter wheat. 

Data Coverage
United States
Period of Record
2012–Present
File Format
images
pdf