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Severe · Flood WatchActive alert

Flood Watch issued August 31 at 2:34AM MST until September 1 at

Affecting Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Northern Gila County; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264

In effect until: Sep 1, 2026, 7:00 AM

Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Northern Gila County; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264

Possible impact zone; conditions develop through 7:00 AM.

Avoid flooded areas. Move to higher ground if water is rising near you.

Read the original bulletin (official text)
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...All of northern and central Arizona.

* WHEN...Through this evening.

* IMPACTS...Flash flooding will be possible in creeks, normally dry
washes, swimming holes, and over recently burned areas. Raging
killer currents will be possible in side canyons and narrow slot
canyons. Low-water crossings may be flooded.

* ADDITIONAL DETAILS...
- Showers and thunderstorms are expected to continue this afternoon
and evening. With deep monsoonal moisture in place and already
saturated soils in some locations, an elevated risk of flash
flooding will be in place through Monday.
- Additional information is available at weather.gov/flagstaff.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™