NWS Flagstaff AZFF.W 0148September 11, 2026
Flash Flood Warning: Gila and Navajo, AZ
The National Weather Service office in Flagstaff issued a flash flood warning for Gila and Navajo in Arizona, which was in force until 11:15 p.m. local time on September 11. It was the 148th flash flood warning the NWS office in Flagstaff issued in 2026. Arizona had 145 flash flood warnings in September 2026, against 41 in an average September of 2008-2025 (Arizona's flash flood warnings by year).
ExpiredWarning
In force for 5 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Flagstaff AZ
- Area
- Gila and Navajo
- State
- Arizona
- Level
- Warning
- Issued
- 6:13 p.m. PDT, September 11, 2026
- Expires
- 11:15 p.m. PDT, September 11, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFGZ FF.W 0148
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Arizona since 2008Every warning type in Arizona
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Gila County in east central Arizona... Navajo County in north central Arizona... * Until 1115 PM MST. * At 613 PM MST, Doppler radar indicated thunderstorms producing heavy rain in the upper portions of Canyon Creek. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts up 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, streams, and normally dry washes. * Some locations that will experience flash flooding include... Chediski Mountain and Chediski Peak. This includes State Route 288 near mile marker 311. This includes the following recreation areas and campgrounds... Valentine Ridge Campground. This includes the following creeks, washes and rivers... Canyon Creek, Cibecue Creek, Bear Creek, Carrizo Creek, and Salt Creek.
What the agency told people to do
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. Get out of washes and creeks if you are camping or hiking! Flooding is occurring or imminent and will inundate creeks and washes.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.