Arizona Severe Flash Flood Warning | Effective 08-28-2026 16:08

Headline: 
Flash Flood Warning issued August 28 at 4:08PM MST until August 28 at 7:00PM MST by NWS Flagstaff AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 28, 2026 - 4:08pm
Expires: 
August 28, 2026 - 7:00pm
Description: 
FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Antelope Creek basin in... Coconino County in north central Arizona... * Until 700 PM MST /800 PM MDT/. * At 408 PM MST /508 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the Antelope Creek basin. Between 0.15 and 0.4 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.75 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Antelope Creek basin. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Antelope Creek basin. * Some locations that will experience flash flooding include... Mainly rural areas of Coconino County. This includes the following slot canyons... Upper Antelope Canyon, Lower Antelope Canyon, Owl Canyon, Rattlesnake Canyon and Porcupine Canyon. This includes the following creeks, washes and rivers... Antelope Creek.
Instruction: 
Get out of Antelope Canyon and other area slot canyons immediately! Deadly flash flooding is imminent or occurring!
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 7:00 PM MST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 7:00 PM MST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Coconino, AZ
Forcast Office: 
NWS Flagstaff AZ
Sender: 
w-nws.webmaster@noaa.gov