NWS Flagstaff AZFF.W 0178September 18, 2026
Flash Flood Warning: Apache, AZ
The National Weather Service office in Flagstaff issued a flash flood warning for Apache in Arizona, which was in force until 5:15 p.m. local time on September 18. It was the 178th 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 3.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Flagstaff AZ
- Area
- Apache
- State
- Arizona
- Level
- Warning
- Issued
- 2:11 p.m. PDT, September 18, 2026
- Expires
- 5:15 p.m. PDT, September 18, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFGZ FF.W 0178
- 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... Apache County in northeastern Arizona... * Until 515 PM MST. * At 211 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 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, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Springerville, Lyman Lake State Park, Becker Lake and Lyman Lake. This includes the following highways... Highway 60 between mile markers 377 and 387. Highway 180 191 between mile markers 380 and 381...and between mile markers 386 and 394. This includes the following recreation areas and campgrounds... Lyman Lake Campground. This includes the following creeks, washes and rivers... Coyote Creek, Little Colorado River, Carnero Creek, Vigil Run and Nutrioso 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.
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.