Arizona Severe Flash Flood Warning | Effective 09/17/2026 17:08

Headline: 
Flash Flood Warning issued September 17 at 5:08PM MST until September 17 at 8:15PM MST by NWS Flagstaff AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 17, 2026 - 5:08pm
Expires: 
September 17, 2026 - 8:15pm
Description: 
FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... * Until 815 PM MST /915 PM MDT/. * At 508 PM MST /608 PM MDT/, 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 1.5 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. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Tappan Spring and Cameron. This includes State Route 64 between mile markers 294 and 295. This includes the following swimming holes... Tappan Spring. This includes the following creeks, washes and rivers... Cedar Wash, Burro Canyon Wash, Little Colorado River, Tappan Wash, Lava Wash, Needmore Wash and Campbell Francis Wash.
Instruction: 
Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well.
Area Description: 
Coconino, AZ
Forcast Office: 
NWS Flagstaff AZ
Sender: 
w-nws.webmaster@noaa.gov