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How can I obtain river forecasts (flood forecasts)?

River forecasts (flood forecasts) are made by the National Weather Service - National Water Prediction Service. The overall map on the website uses color designations to give a quick overview of current conditions. A legend and other information can be selected in the right column. From the main map, click on a station to bring up a box which includes a graph showing current information and a forecast if available. There is also a selection for Long Range Flood Outlook in the right column. 

The vast majority of current streamflow data used for these forecasts is obtained from U.S. Geological Survey streamgaging stations. The USGS concentrates on current and historical data and has no responsibility or authority for making forecasts.

Learn more: Where can I find flood maps?

Updated Date: June 18, 2024
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