Click HERE for help with NWPS or our NEW Flood Mapping Services. Comments? Questions? Please Contact nwps.webmaster@noaa.gov.

Click on a state to learn more about the types of flooding experienced there and how residents can protect their lives and property. You will also find information on the top 5 floods for each state, learn which National Weather Service offices forecast for the area and more!

A winter storm will continue to bring areas of heavy snow and ice from the Great Lakes through New England today into tonight. Heavy to excessive rainfall will continue across much of coastal into central California today. Flash flooding and debris …

A Flood Warning is issued to inform the public of flooding that poses a serious threat to life and/or property. A Flood Warning may be issued hours to days in advance of the onset of flooding based on forecast conditions. Floods occurring along a river usually contain river stage (level) forecasts. +

This web page depicts the Excessive Rainfall Outlook (ERO). In the ERO, the Weather Prediction Center (WPC) forecasts the probability that rainfall will exceed flash flood guidance (FFG) within 40 kilometers (25 miles) of a point.

Heavy rain could produce flooding, mudslides and debris flows in northern and central California, and it is expected to take aim at Los Angeles by the middle of the week.

Notice: This Flood Outlook is intended to provide a general outlook for significant river flooding. It is not intended to depict all areas of minor flooding or small-scale events such as localized flooding and/or flash flooding.

Click on the NWS Warnings and Advisories Map above for more details. Severe weather information from the Storm Prediction Center.

This web page displays flood and flash flood reports as well as intense rainfall reports and proxies. The observations include: National Weather Service (NWS) Local Storm Reports (LSRs) for Flash Flood, Flood, and Heavy Rain.

The alerts web service displays NWS watches, warnings, advisories, and similar products. Click the main menu down-arrow for a quick guide and documentation. Select a location option to begin your search for alerts.