* WHAT...Flash flooding caused by excessive rainfall over saturated soils.
* WHERE...All of northern and central Arizona.
* WHEN...From 11 PM MST Saturday through 5 AM MST Monday.
* 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 isolated thunderstorms is expected Saturday night through the early morning hours of Monday. An additional 1 to 3 inches of rain will be possible, on already saturated ground. - Additional information is available at weather.gov/flagstaff.