Compare Two Weeks

Compare two U.S. Drought Monitor weeks side by side.

Comparison Slider

Displays the USDM maps from two selected dates, and allows the user to determine which is displayed by using a slider bar.

Map Archive

View any map format for a selected week.

Map Viewer

The Map Viewer allows users to view Drought Monitor data—from both the current and past weeks of the map—in an interactive interface containing various map layers.

Change Maps

View a series of change maps for a selected week.


View an animated series of maps or download animated GIF files.

Custom Map Request

Request a custom U.S. Drought Monitor map.