473 
WGUS65 KFGZ 140710
FFAFGZ

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Flagstaff AZ
1210 AM MST Fri Aug 14 2026

AZZ004>006-150300-
/O.NEW.KFGZ.FA.A.0005.260814T1800Z-260815T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Including the cities of Grand Canyon North Rim, Lees Ferry, Fredonia,
Jacob Lake, Grand Canyon Village, Supai, Page, and Tusayan
1210 AM MST Fri Aug 14 2026 /110 AM MDT Fri Aug 14 2026/

...FLOOD WATCH IN EFFECT FROM 11 AM MST /NOON MDT/ THIS MORNING
THROUGH THIS EVENING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Grand Canyon, Kaibab Plateau, Marble and Glen Canyons.

* WHEN...From 11 AM MST  /noon MDT/ this morning 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...
  - Thunderstorms are expected to develop this afternoon and continue
    into the early evening hours across northwestern Arizona. With
    deep monsoonal moisture in place, any stronger storm will have
    the potential to produce heavy rainfall and cause flash flooding.
  - Some locations that may experience flooding include...
    Page area Slot Canyons, Supai, and the Grand Canyon National Park
    downstream of the Dragon Bravo Fire scar.
  - Additional information is available at weather.gov/flagstaff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Have a way to receive Flash Flood Warnings and be prepared to take
action should warnings be issued.

Consider changing your plans if you were going to hike, boat, or
paddleboard to a slot canyon or normally dry wash. If you do still
decide to recreate, check in at a nearby visitor center or ranger
station.

&&

$$

Humphreys

987 
WGUS65 KFGZ 150246
FFAFGZ

Flood Watch
National Weather Service Flagstaff AZ
746 PM MST Fri Aug 14 2026

AZZ004>006-150400-
/O.EXP.KFGZ.FA.A.0005.000000T0000Z-260815T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Including the cities of Supai, Page, Lees Ferry, Grand Canyon
Village, Grand Canyon North Rim, Fredonia, Jacob Lake, and Tusayan
746 PM MST Fri Aug 14 2026 /846 PM MDT Fri Aug 14 2026/

...FLOOD WATCH WILL EXPIRE AT 8 PM MST /9 PM MDT/ THIS EVENING...

The Flood Watch will expire for a portion of north central Arizona,
including the following areas, Grand Canyon Country, Kaibab Plateau
and Marble and Glen Canyons.

The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 8 PM MST /9 PM MDT/ this evening.

$$

Meola