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NWS Phoenix AZFF.W 0065September 16, 2026

Flash Flood Warning: Maricopa and Pinal, AZ

The National Weather Service office in Phoenix issued a flash flood warning for Maricopa and Pinal in Arizona, which was in force until 3:45 p.m. local time on September 16. It was the 65th flash flood warning the NWS office in Phoenix 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

Issued11:46 a.m. PDT, September 16, 2026
In force11:46 a.m. PDT, September 16, 2026
Expired3:45 p.m. PDT, September 16, 2026

In force for 4 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Phoenix AZ
Area
Maricopa and Pinal
State
Arizona
Level
Warning
Issued
11:46 a.m. PDT, September 16, 2026
Expires
3:45 p.m. PDT, September 16, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KPSR FF.W 0065
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

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 345 PM MST. * At 1146 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. 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, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Estrella and Mobile.

What the agency told people to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

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.

The record around this notice