Arizona Severe Flash Flood Warning | Effective 09/12/2026 14:39

Headline: 
Flash Flood Warning issued September 12 at 2:39PM MST until September 12 at 3:45PM MST by NWS Flagstaff AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 12, 2026 - 2:39pm
Expires: 
September 12, 2026 - 3:45pm
Description: 
At 339 PM MDT, Doppler radar indicated that heave rain has ended across the warned area, just northwest of Lupton along the Black Creek drainage. Between 1 and 2.5 inches of rain fell earlier this afternoon. 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... Mainly rural areas of Apache County. This includes Interstate 40 between mile markers 358 and 359. This includes the following creeks, washes and rivers... Black Creek, West Fork Black Creek and Puerco River.
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. Low water crossings will become dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Area Description: 
Apache, AZ
Forcast Office: 
NWS Flagstaff AZ
Sender: 
w-nws.webmaster@noaa.gov