NWS Flagstaff AZFF.W 0180September 23, 2026
Flash Flood Warning: Yavapai, AZ
The National Weather Service office in Flagstaff issued a flash flood warning for Yavapai in Arizona, which was in force until 7:45 p.m. local time on September 23. It was the 180th 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 2.9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Flagstaff AZ
- Area
- Yavapai
- State
- Arizona
- Level
- Warning
- Issued
- 4:51 p.m. PDT, September 23, 2026
- Expires
- 7:45 p.m. PDT, September 23, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFGZ FF.W 0180
- 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 Agua Fria River in... Yavapai County in west central Arizona... * Until 745 PM MST. * At 451 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the Agua Fria River. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Agua Fria River. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Agua Fria River. * Some locations that will experience flash flooding include... Agua Fria National Monument and Black Canyon City. This includes Interstate 17 between mile markers 243 and 245. This includes the following creeks, washes and rivers... Badger Spring Wash, Larry Creek, Agua Fria River, Black Canyon Creek, Bishop Creek, Squaw Creek, Antelope Creek, Indian Creek, Slate Creek, Silver Creek, Black Canyon, Tank Creek and Copper Creek.
What the agency told people to do
Turn Around, Don't Drown! Avoid driving across the Squaw Valley Road low water crossing in Black Canyon City. Flash flooding of the Agua Fria is imminent or occurring. Get out of washes and creeks if you are camping or hiking! Flooding 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.