* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of northwest Arizona, including the following areas, Hualapai Mountains, Northwest Deserts and Northwest Plateau.
* WHEN...From Saturday evening through late Sunday night.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded.
* ADDITIONAL DETAILS... - Moderate to heavy rain is possible at times Saturday night through Sunday night. Over an inch of total rainfall is possible by early Monday morning. With saturated soils and significant run off expected, flash flooding and high flows in streams and rivers may occur. - http://www.weather.gov/safety/flood