* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Yavapai County and northern Gila County. This includes Oak Creek and Sycamore Canyons.
* WHEN...From Saturday evening through late Sunday night.
* IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Low-water crossings may be flooded.
* ADDITIONAL DETAILS... - A second round of rain and thunderstorms is expected Saturday night through the early morning hours of Monday. An additional 1 to 3 inches of rain will be possible, on top of already saturated ground, increasing the threat of flooding. - Additional information is available at weather.gov/flagstaff.