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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(23)

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

U.S. Climate Division Weekly Palmer Drought Indices from nClimDiv

The Weekly Palmer Drought Index (PDI) and Palmer Hydrological Drought Index (PHDI) are estimations of the monthly PDI and PHDI on an operational weekly basis.

Data Coverage
United States
Period of Record
2005 - Present
File Format
images
csv
json
xml
Data Type
Land-based Station

U.S. Drought Monitor (USDM)

The U.S. Drought Monitor is a map updated each Thursday to show the location and intensity of drought across the country. 

Data Coverage
Puerto Rico
United States
USVI/USAPI
Period of Record
2000 - present
File Format
images
text (ascii)
csv
shapefile
kml
Data Type
Land-based Station

U.S. Monthly Drought Outlook

The U.S. Monthly Drought Outlook predicts whether drought will emerge, stay the same or get better over the next 30 days or so.

Data Coverage
Puerto Rico
United States
USVI/USAPI
Period of Record
Forecasts
File Format
images
pdf
Data Type
Model