Elevated North America

NWS / NOAA weather: Flash Flood Warning issued September 3 at 5:03PM MST until September 3 at 8:00PM MST by NWS Tucson AZ

FFWTWC

The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
East Central Pinal County in southeastern Arizona...

* Until 800 PM MST.

* At 503 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across washes east of the San Pedro River near Mammoth.
Between 0.8 and 1.5 inches of rain have fallen. Additional rainfall
amounts up to 0.5 inches are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly along River Rd
near and south of Mammoth.

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...
River Rd near and south of Mammoth towards Big Wash. Washes include
Clark Wash, Mulberry Wash, Copper Creek, Mammoth Wash, and Dry Camp
Canyon.

Severity
Severe (4/5) · CAP Severe
This month
795th Weather alert at severity 4+ in the last 30 days
Source: NWS / NOAA weather

Understanding Global Threats

Browse All Topics & Pages

Complete sitemap with all intelligence resources

View Sitemap →

Related Preparedness Gear

Be prepared for evolving situations

Global Conflict Map

Live snapshot of conflict locations and tension zones worldwide.

Last update on: September 3, 2026

Keep Exploring