Urgent Alert: Life-Threatening Flash Flooding Strikes Northern and Central Arizona, Including Grand Canyon

A critical flash flood warning has been issued for significant portions of northern and central Arizona, encompassing the majestic Grand Canyon. The National Weather Service (NWS) Flagstaff office has urged residents and visitors alike to exercise extreme caution, as heavy rainfall poses a severe and immediate threat to life and property.

The warning, which is in effect until 10 p.m.

MST on Sunday, targets a vast area stretching across several counties. Coconino Plateau, renowned for its stunning landscapes, is under the gun, along with large swaths of Yavapai County and Gila County, including the picturesque Mogollon Rim and the rugged Mazatzal Mountains. Key population centers like Flagstaff, Prescott, Sedona, and Williams are all explicitly mentioned as areas where rapid and dangerous flooding conditions are expected to develop.

Authorities emphasize that excessive rainfall is leading to rapid runoff, transforming normally dry washes and serene creeks into raging, torrentially flowing rivers.

This phenomenon, characteristic of Arizona's monsoon season, makes conditions incredibly perilous. The NWS's stern advice remains: "Turn Around, Don't Drown." Motorists are strongly cautioned against attempting to drive through flooded roadways, as even shallow-looking water can conceal treacherous currents or obscured road damage, making it impossible to gauge depth and safety.

The region's topography, with its dramatic canyons and arid washes, makes it particularly susceptible to flash floods.

These natural channels, often dry, can fill with water with terrifying speed, catching unsuspecting individuals off guard. The inherent danger is underscored by past tragedies, such as the devastating 2017 incident near Payson where a flash flood tragically claimed the lives of ten people. This history serves as a stark reminder of the destructive power of these sudden deluges and the paramount importance of heeding all warnings from weather officials.

Residents and tourists in the affected zones are advised to stay informed through local news and NWS updates, have an evacuation plan ready if necessary, and avoid low-lying areas, especially near washes and stream beds.

Prioritizing safety and vigilance during this critical period is absolutely essential to mitigate risks and prevent further loss.