Active AlertsEl Mirage, AZ

What: Flash flooding caused by excessive rainfall is possible.
Where: A portion of south central Arizona, including the following areas, Phoenix Metro, rural areas of Maricopa County, and West Pinal County.
When: From Friday morning through Friday afternoon.
Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded.
Additional Details: - Abundant moisture over the area will combine with an incoming weather system to provide for showers and thunderstorms on Friday, some of which are expected to produce moderate to heavy rainfall. Any strong thunderstorms will have the potential to produce rainfall rates as high as 1-2 inches per hour. Localized rainfall amounts of one to two inches are expected within the Watch area on Friday. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.