NWS Tucson AZFF.W 0243September 29, 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 8:45 p.m. local time on September 29. It was the 243rd 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
In force for 6.1 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
- 2:38 p.m. PDT, September 29, 2026
- Expires
- 8:45 p.m. PDT, September 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KTWC FF.W 0243
- Official source
- National Weather Service: the notice at its source
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... Northwestern Cochise County in southeastern Arizona... South Central Graham County in southeastern Arizona... * Until 845 PM MST Tuesday. * At 238 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.2 inches of rain have fallen. Additional rainfall amounts up 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... Muleshoe Ranch Preserve, Bonita, Fort Grant, Texas Canyon, Mount Graham and Frye Mesa Dam. This includes the following highways... Route 191 near mile marker 117. Route 266 between mile markers 114 and 126. Interstate 10 between mile markers 315 and 322.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
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.