NWS Tucson AZFF.W 0157August 27, 2026
Flash Flood Warning: Pima, AZ
The National Weather Service office in Tucson issued a flash flood warning for Pima in Arizona, which was in force until 9:15 p.m. local time on August 27. It was the 157th flash flood warning the NWS office in Tucson issued in 2026. Arizona had 177 flash flood warnings in August 2026, against 108 in an average August of 2008-2025 (Arizona's flash flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Tucson AZ
- Area
- Pima
- State
- Arizona
- Level
- Warning
- Issued
- 6:15 p.m. PDT, August 27, 2026
- Expires
- 9:15 p.m. PDT, August 27, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KTWC FF.W 0157
- 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... Eastern Pima County in southeastern Arizona... * Until 915 PM MST. * At 615 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.2 inches of rain have fallen. 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... Tucson, Flowing Wells, South Tucson and Tucson Mountain Park. This includes the following highways... Interstate 19 near mile marker 63. Interstate 10 between mile markers 251 and 255...and near mile marker 260. This includes the following Flash Flood Prone Locations... Camino de Oeste from Sweetwater to Gates Pass and Ironwood Hills Dr from Shannon to Camino de Oeste.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.
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.