NWS Flagstaff AZFF.W 0149September 11, 2026
Flash Flood Warning: Coconino and Gila, AZ
The National Weather Service office in Flagstaff issued a flash flood warning for Coconino and Gila in Arizona, which was in force until 12:00 a.m. local time on September 12. It was the 149th 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 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Flagstaff AZ
- Area
- Coconino and Gila
- State
- Arizona
- Level
- Warning
- Issued
- 8:58 p.m. PDT, September 11, 2026
- Expires
- 12:00 a.m. PDT, September 12, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFGZ FF.W 0149
- 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... The West Fire scar in... Gila County in east central Arizona... Coconino County in north central Arizona... * Until midnight MST. * At 858 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the West Fire scar. Between 1 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly in Webber Creek. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the West Fire scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the West Fire scar. * Some locations that will experience flash flooding include... Geronimo Estates and Flowing Springs. This includes the following recreation areas and campgrounds... Geronimo Boy Scout Camp. This includes the following creeks, washes and rivers... West Webber Creek.
What the agency told people to do
Flash flooding is occurring or imminent downstream of the West Fire scar, including areas along Webber Creek. Campers and hikers should move to higher ground immediately! Stay away from 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.