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National Integrated Drought Information System
NOAA National Weather Service (NWS) Climate Prediction Center (CPC)
Surface Hydrology page displays weekly and monthly products from the North-American Land Data Assimilation System (NLDAS).
What can I do with these data?
How do I use the site?
Surface Hydrology Maps: displays NLDAS hydrology information at the Weekly and Monthly scales. Graphics and GeoTIFFS are available under “Related Links” below the map viewer.
The Current Conditions page features national conditions. You can also explore maps of current and future conditions by state, watershed, county, or city.