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Flash Flood Warning — Coconino County, AZ, Yavapai County, AZ
Flash Flood Warning
Issued
8:02 PM CDT · Wed, Jul 29 2026
Expires
11:00 PM CDT · Wed, Jul 29 2026
Issuing Office
NWS KFGZ

Affected Areas

Coconino County, AZ Yavapai County, AZ

Official Bulletin

637
WGUS55 KFGZ 300102
FFWFGZ
AZC005-025-300400-
/O.NEW.KFGZ.FF.W.0090.260730T0102Z-260730T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
602 PM MST Wed Jul 29 2026

The National Weather Service in Flagstaff has issued a

* Flash Flood Warning for...
  Coconino County in north central Arizona...
  Yavapai County in west central Arizona...

* Until 900 PM MST.

* At 602 PM MST, Doppler radar indicated thunderstorms producing
  heavy rain from Fraziers Well to Grand Canyon Caverns. Between 2
  and 3 inches of rain have fallen. Additional rainfall amounts of
  0.5 to 1 inch are possible in the warned area. Flash flooding is
  ongoing or expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms producing
           flash flooding.

  SOURCE...Radar indicated.

  IMPACT...Life threatening flash flooding of creeks and streams, and
           normally dry washes.

* Some locations that will experience flash flooding include...
  Hualapai Reservation, Fraziers Well, Yampai, Nelson, Robbers Roost,
  Grand Canyon Caverns Airport, Hualapai Airport and Pica.

This includes Route 66 between mile markers 110 and 123.

This includes the following creeks, washes and rivers...
  Diamond Creek, Truxton Wash and 224- Mile Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Flooding of washes and creeks will occur, some dirt roads will become
muddy and impassable. Paved roads and underpasses could become
flooded as well.

Low water crossings will become dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.

&&

LAT...LON 3553 11333 3576 11333 3576 11321 3581 11310
      3579 11304 3571 11301 3567 11301 3562 11306
      3548 11309 3540 11326 3538 11333

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Humphreys