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For questions about data, contact [email protected].

For issues with the application, contact [email protected].

2801 W. Durango St. Phoenix, AZ 85009
(602) 506-1501

About This Application

This site provides current rainfall, weather, stream and impoundment information for Maricopa County and nearby counties. These data are updated every 5 minutes.

Use the Datasets & Layers menu to change rainfall period or select weather, temperature, streamflow, or impoundment. Additional related layers such as NWS Warnings and radar are also available in this menu.

Disclaimer: This map was created from provisional data that has not been checked or verified for accuracy. Some data on this map comes from sources other than Flood Control District of Maricopa County. Flood Control District of Maricopa County has no control over the accuracy and type of data transmitted. This map was created solely for the convenience of the County and related public agencies. The County does not warrant the accuracy of this map, and no decision involving a risk of economic loss or physical injury should be made from the data available on this site.

© Flood Control District of Maricopa County, 2026 | Application created by Maricopa County Enterprise Technology GIS and FCDMC Flood Warning Branch

Off Reflectivity 1 Hour GAQPE 6 Hour GAQPE 24 Hour GAQPE 72 Hour GAQPE

Last Updated: --:--:--
Over multiple days Less than or equal to 24 Hours 10 Minutes 30 Minutes 1 Hour 3 Hours 6 Hours 12 Hours 1 Day Get Point Rainfall Data Clear
Datasets & Layers Radar Historic Legend
Reflectivity is the amount of energy that is returned (reflected) back to the receiver after hitting a target.

Gage Adjusted Quantitative Precipitation Estimate (GAQPE) is......

Radar, precipitation estimates, and satellite imagery layers provided by Vieux Inc.

These products automatically refresh every 2 minutes. Input a query to display historic rain totals within the FCDMC's ALERT system.

It is recommended to limit queries to under one year. Address Search Menu
Beta Application Notice
This map application is in beta. It is currently being shared for testing and feedback. Some features, data, or display elements may change as improvements are made. We appreciate your patience and welcome feedback to help refine the application before its final release.