Flood Watch
Flood Watch issued October 20 at 12:37AM MST until October 22 at 11:00PM MST by NWS Flagstaff AZ
Affected area: 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
Effective: Oct 20, 2026 12:37 AM GMT-0700
Expires: Oct 22, 2026 11:00 PM GMT-0700
Alert details
* WHAT…Flash flooding caused by excessive rainfall is possible.
* WHERE…All of northern and central Arizona.
* WHEN…From late tonight through Thursday evening.
* 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…
– An upper-level trough will bring a deep surge of subtropical and
tropical moisture into our region. Showers and thunderstorms will
develop across much of northern and central Arizona early
Wednesday morning and continue through Thursday evening. Stronger
thunderstorms will bring threats of Flash Flooding, while more
prolonged rainfall could lead to elevated flow in streams,
rivers, and washes.
– Additional information is available at weather.gov/flagstaff.
Safety information
Have a way to receive Flash Flood Warnings and be prepared to take
action should warnings be issued.
Source: NWS Flagstaff AZ
View the official National Weather Service alert
This post is automatically updated from official National Weather Service alert data.
