Skip to main content
AREAZINENotices · US CA UK AU

NWS Tucson AZFF.W 0195September 11, 2026

Flash Flood Warning: Cochise and Graham, AZ

The National Weather Service office in Tucson issued a flash flood warning for Cochise and Graham in Arizona, which was in force until 12:15 a.m. local time on September 12. It was the 195th flash flood warning the NWS office in Tucson 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

Issued9:20 p.m. PDT, September 11, 2026
In force9:20 p.m. PDT, September 11, 2026
Expired12:15 a.m. PDT, September 12, 2026

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, Tucson AZ
Area
Cochise and Graham
State
Arizona
Level
Warning
Issued
9:20 p.m. PDT, September 11, 2026
Expires
12:15 a.m. PDT, September 12, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KTWC FF.W 0195
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

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Cochise County in southeastern Arizona... South Central Graham County in southeastern Arizona... * Until 1215 AM MST. * At 920 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...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of North Central Cochise and South Central Graham Counties. This includes Route 191 between mile markers 88 and 93. This includes the following streams and drainages... Dial Wash, Gillespie Wash, Willow Spring Wash, Owl Wash, Oak Draw, W A Wash and Ash Creek.

What the agency told people to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

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