How to find your way through this section:
- By topic: Click on a topic on the grid below to find maps, data and links to information about that category. Some links may appear in more than one topic, such as soil moisture, vegetation and agriculture.
- By interactivity: The “Tools” page links to interactive sites where you can customize information to meet your needs. The tools allow you to customize information by designating locations; date ranges; comparisons among events and conditions; and more. Many of these applications will create charts or maps specific to the situation you design. Interactive tools also appear under specific topics.
Areas of drought, precipitation/temperature averages and totals, more.
What’s being predicted, for various timescales.
How drought is affecting agriculture, water supplies, wildfires and other sectors.
Groundwater and surface water monitoring, crop moisture maps, more.
Vegetation Drought Response Index (VegDRI), greenness data, impacts.
Keetch-Byram Drought Index, National Interagency Fire Center data, GEOMAC.
Amounts, anomalies, forecasts for precipitation and temperature.
Weather and crop bulletins; agricultural impacts; crop areas in drought.
Stream flows, surface water measurements, snowpack data, evaporative stress indices.
The science of past droughts; reconstructions of drought from the past 1200 years; more.
Filter and search databases by category, location, update frequency and more.
This is the official software repository for National Integrated Drought Information System (NIDIS).
Map and Data Viewer and other sites where you can download and customize data.